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Topics - sciborg2

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106
Surprising quantum effect in hard disk drive material

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As reported in a recent issue of Physical Review Letters, researchers from the U.S. Department of Energy's (DOE) Argonne National Laboratory, along with Oakland University in Michigan and Fudan University in China, have found a surprising quantum effect in this alloy.

The effect involves the ability to control the direction of electron spin, and it could allow scientists to develop more powerful and energy-efficient materials for information storage. By changing the electron spin direction in a material, the researchers were able to alter its magnetic state. This greater control of magnetization allows more information to be stored and retrieved in a smaller space. Greater control could also yield additional applications, such as more energy-efficient electric motors, generators and magnetic bearings.

107
The Forum of Interesting Things / Twitter Is Not America
« on: April 27, 2019, 01:56:39 pm »
Twitter Is Not America

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As the platforms age, their devotees become more and more distinct from the regular person. For more than a decade now, many people in media and technology have been feeding an hour or two of Twitter into our brains every single day. Because we’re surrounded by people who live their lives like this—and, crucially, because so many of the journalists who write about the internet experience the internet in this way—it might feel like this is just how Twitter is, that a representative sample of America is plugged into the machine in this way.

But it’s not. Twitter is not America. And few people who work outside the information industries choose to spend their lives reading tweets, let alone writing them.

Twitter is a highly individual experience that works like a collective hallucination, not a community. It’s probably totally fine that a good chunk of the nation’s elites spend so much time on it. What could go wrong?

108
Building Alien Worlds— The Neuropsychological and Evolutionary Implications of the Astonishing Psychoactive Effects of N,N-Dimethyltryptamine (DMT)

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Abstract—

Arguably the most remarkable property of the human brain is its ability to construct the world that appears to consciousness. The brain is capable of building worlds during waking life, but also in the complete ab- sence of extrinsic sensory data, entirely from intrinsic thalamocortical activ- ity, as during dreaming. DMT, an extraordinary psychedelic, perturbs brain activity such that indescribably bizarre and apparently alien worlds are built. This property of DMT continues to defy explanation. However, by regarding this unique molecule as equivalent to serotonin, an endogenous neuro- modulator with a long-standing relationship with the brain, DMT’s effects may be explained. Serotonin has evolved to hold the brain’s thalamocortical system in a state in which the consensus world is built. When serotonin is replaced by DMT, the thalamocortical system shifts into an equivalent state, but one in which an apparently alien world is built. This suggests that DMT may be an ancestral neuromodulator, at one time secreted endogenously in psychedelic concentrations—a function apparently now lost. However, DMT maintains a number of unique pharmacological characteristics and a peculiar affinity with the human brain that supports this model. Thus, the modern practice of ingesting exogenous DMT may be the reconstitution of an ancestral function.

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Conscious awareness of a world appears to be a default state of the brain (Llinas & Pare 1991) and can be fully independent of incoming sensory data, as exemplified by dreaming. During REM sleep, the brain is perfectly capable of building completely realistic worlds, with all sensory modalities intact, despite having no access to the external world. In fact, even during waking, sensory stimuli contribute far less to the information used to build the world than might be expected (Edelman 2000). To understand what this means, we need to distinguish between two types of information in the brain. Information generated entirely within the brain, through the differentiated and integrated activity of the thalamocortical system, as discussed, is intrinsic information. Information that enters from outside, through the senses, is extrinsic information. It is a combination of these two types of information that the brain uses to build worlds. However, it is not simply a case of extrinsic sensory information adding to intrinsic information. Rather, patterns of sensory data amplify or “awaken” (Sporns 2011) existing intrinsic activity within the brain (Edelman 2000), and very little additional information is provided by sensory data (Tononi, Edelman, & Sporns 1998).  To put it another way, extrinsic sensory data is ‘matched’ to ongoing intrinsic activity, which it amplifies (Tononi, Sporns, & Edelman 1996). The intrinsic activity thus represents a repertoire of thalamocortical states that provide the context for any incoming sensory data. In fact, even in the complete absence of extrinsic sensory data, the intrinsic thalamocortical activity remains perfectly capable of building complete worlds. Of course, this is dreaming, which will be discussed in detail later. However, suffice to say that the principal difference between the waking consensus world and the dream world is the manner in which the former is modulated by extrinsic sensory data. Sensory information constrains conscious perception (Behrendt 2003), and the conscious awareness of a world is an intrinsic functional state of the brain that is modulated, but not created, by sensory input (Llinas, Ribary, Contreras, & Pedroarena 1998). Naturally, this begs the question as to why the intrinsic activity of the thalamocortical system tends to build the consensus world as a default and thus why extrinsic sensory data can be so effectively ‘matched’ to ongoing intrinsic activity. This suggests that extrinsic sensory data somehow shaped the thalamocortical system, i.e. that the brain used sensory data from the external world to learn to build a representation of it.

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It seems the brain builds worlds in exactly the same way during dreaming as it does during waking—and why wouldn’t it? Indeed, it is the only way the brain is able to build the worlds that appear to us. As pointed out earlier, the primary difference between waking and dreaming is the manner in which the waking world is modulated by extrinsic information. During waking, the formation of coherent oscillatory assemblies (i.e. thalamocortical states) is modulated by incoming sensory information. During dreaming, however, the individual is disconnected from the external environment (although the reason for this remains subject to debate, see Nir & Tononi 2010). The primary sensory areas of the cortex, which normally receive the incoming information before passing it on to higher cortical areas for further processing, also become inactive, as does the prefrontal cortex (Braun et al. 1998). The higher sensory areas of the cortex remain active in building the dream world, using the repertoire of intrinsic thalamocortical states developed during waking life. As the dynamic sequence of thalamocortical states is not constrained by incoming sensory data, however, the dream world can become bizarre, often impossible...Unfortunately, loss of normal critical function means that such ridiculousness is rarely recognized for what it is, unless you happen to be a lucid dreamer.

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The user typically rushes through a number of stages, before ‘breaking through’ into the characteristic alien worlds, which are the focus of this discussion. The accounts of Strassman’s volunteers and posters on Erowid. org who achieved this breakthrough, while varied, follow a number of recurring themes:

– Merry-go-rounds, fairgrounds, clowns/jesters, circuses; – Mischievous or playful elves/dwarves/imps;
– Insectoid and reptilian creatures, aliens;
– Futuristic hypertechnological buildings and cities;
– Complex machinery, hyper-advanced technology; – Being observed and/or experimented upon;
– Unknown places apparently on Earth.

A number of these features are common in ‘trip reports’ by users and, notably, unique to DMT. Users typically describe the DMT world as being more real than ordinary waking reality, even after the experience has ended. The lucidity of the experience is also striking—the lack of haziness or stoning allows the user to experience the effects as if in an ordinary waking state. Perhaps the most interesting of the recurrent themes, recounted by a significant proportion of users, is the experience of apparently hyperadvanced technological societies, with highly intelligent entities occupying futuristic cities and unearthly landscapes, manipulating complex machinery. Often the entities appear as mischievous or playful ‘elves’ that vie for the attention of the user...

...While elves, aliens, and insectoid entities appear regularly, they are by no means the only type of entity met in the DMT realm—angels, demons, monsters, chimeras, and animals, among others, also are reported (Shanon 2002), although some of these are more typical of ayahuasca. Sometimes, the entity isn’t identifiable by form, but manifests as an overwhelming presence that seems extraordinarily powerful (Strassman 2001).

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It would be a truly startling coincidence if DMT, the simplest tryptamine possible with little chemical functionality, the most widely distributed in nature and a natural human metabolite, just happens to be the only one capable of perturbing brain chemistry in such a finely tuned manner so as to produce apparent transport to alien worlds—all by chance and without any functional significance. And yet, this is exactly what we are faced with. It is difficult to reconcile these characteristics of DMT and its effects on consciousness with the assumption that DMT is merely an exogenous psychedelic drug and that any psychedelic effects are incidental and unrelated to its neural function. The nature of DMT and its effects might be better understood if, rather than as an exogenous drug, we begin to regard DMT as a neuromodulator with a long-standing relationship with the human brain.

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The thalamocortical states that are generated under DMT modulation are highly regular and highly specific—we know this because the worlds that appear are highly regular and highly specific to DMT. This is difficult to explain unless the brain contains more than one parallel ‘set’ of thalamocortical connectivities—one that developed under the modulation of serotonin (the ‘consensus set’) and one that developed under the modulation of DMT (the ‘alien set’). As such, the set that is expressed depends upon which neuromodulator is present; when serotonin is present, the consensus set is expressed and thus the consensus world appears. When DMT is present, the parallel ‘alien set’ is expressed and the alien world appears.

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The presence of any molecule that shifts the 5HT1A/5HT2A balance in favor of 5HT2A will result in a temporary breakdown of the ‘consensus set’ of thalamocortical connectivities and re- potentiate the thalamocortical system. This would include DMT, of course. Now, one can imagine that if extrinsic data from an alternate reality (the nature of which is unimportant here) was received when DMT was present, a new set of functional connectivities and activation patterns would begin to develop in exactly the same way that the ‘consensus set’ developed in the presence of serotonin (Figure 10). Further, exactly as with serotonin, this would need to happen repeatedly over an extended period of time (i.e. evolutionary time). Eventually, the thalamocortical system would develop the ability to build the ‘alien world’ in the same way it builds the ‘consensus world’ and thus possess two completely independent and parallel world-building modes. Which mode is expressed (i.e. whether the intrinsic thalamocortical activity constructs the consensus world or the alien world) and thus which world is seen, depends only upon which molecule is present—serotonin or DMT. Conceptually, at least, there would be no issue in the brain accommodating such parallel patterns of functional connectivity, as there is massive redundancy in neural connections, and the majority of neural connections are not functionally expressed at any one time (Edelman 1993)...

...This explanation resolves the question as to why DMT is unique in its ability to transport the user to these characteristic alien worlds. Its uniqueness is simply a consequence of the fact that it was the neuromodulator present when the thalamocortical connectivities of the alien world were developed. As such, the intrinsic activity that generates the appearance of the alien world can be expressed only in its presence, in exactly the same way that the consensus world appears in the presence of serotonin. This also provides a neurological mechanism for the suggestion that DMT ‘tunes’ the brain to receive sensory data from another reality. As discussed earlier, extrinsic sensory information adds very little new information to the brain, but is, rather, ‘matched’ to ongoing intrinsic activity, which it amplifies. Thus, sensory data from the DMT reality can only be received only when it matches ongoing intrinsic activity within the brain’s thalamocortical system. DMT, by replacing serotonin in the cortex, acts to shift the thalamocortical system into generating the appropriate intrinsic activity. A structurally unremarkable neuromodulator thus has the most remarkable effects. In fact, this model would predict that DMT is the only molecule capable of shifting the thalamocortical system into a state in which it constructs these characteristic alien worlds.

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So far, it has been suggested that the characteristics of DMT and its interaction with the brain are indicative of an endogenous molecule. Also, the psychedelic effects of DMT, fully immersive hallucinogenesis during which the consensus world is completely replaced with an apparently ‘alien’ world, might be explained if DMT was the major neuromodulator present when a parallel set of thalamocortical connectivities were developed. Both of these ideas would make sense if DMT is an ancestral neuromodulator, i.e. a neuromodulator that, at some point in our evolutionary past, was secreted in psychedelic concentrations by the brain. However, most of this functional capacity has subsequently been lost and the DMT that is currently present in the brain is possibly vestigial and might not have a significant modern function. So, in this ancestral period, the brain would have produced both serotonin and DMT, although probably not at the same time. The evolution of the consensus world–building capabilities of the brain took place under the modulation of serotonin, and was driven by the extrinsic sensory data from the consensus world. However, periodically, the brain was able to switch from primarily serotonin secretion to DMT secretion. This switch made the brain more sensitive and receptive to sensory data from the alternate reality, the ‘alien world’. This is because DMT’s 5HT1A and 5HT2A binding signature facilitated intrinsic thalamocortical activity that more closely matched the extrinsic sensory data from that particular reality. Over time, the intrinsic activity of the thalamocortical system and the alien reality became more and more closely ‘matched’ (i.e. the same mechanism by which the brain developed its consensus- world–building capabilities, except that DMT, rather than serotonin, was present).

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So, rather than the administration of an exogenous drug, smoking DMT could be regarded as reconstitution of an ancestral function. There is no reason to assume that the current repertoire of neuromodulators used by the human brain represents all that have ever been used. This may mean that those looking for a modern function for the small quantities of DMT currently secreted by the brain could be misguided—the function may well be in the past. Why this function was lost is unclear, as is the site of production/secretion in the brain. However, the idea that the human brain has actually regressed functionally in the last ~100,000 years is increasingly attracting attention (Gynn & Wright 2008). It is notable that Gynn and Wright make the case for a decline in pineal function, caused by changes in human’s ancestral diet, as an explanation for many modern human ‘left brain’ characteristics. Although they focus on the pineal gland’s role in the production of melatonin, a hormone associated with the diurnal wake–sleep cycle, it is striking that the pineal has been proposed as a possible site of endogenous DMT synthesis (Strassman, Wojtowicz, Luna, & Frecska 2008). Further, the pineal gland’s primarily nocturnal activity, secreting melatonin only during darkness, accords with the ancestral neuromodulator proposal. In fact, it is possible that there has been either a contraction of pineal function or a functional reassignment, its role shifting from DMT secretion to melatonin secretion—melatonin is itself a tryptamine (specifically, N-acetyl-5-methoxytryptamine). Luke, Zychowicz, Richterova, Tjurina, and Polonnikova (2012) have explored the idea that the cycle of DMT and melatonin secretion by the pineal might still be correlated and related to precognitive dreams. Although nobody has ever measured DMT levels in the brain directly, it seems likely that any DMT secretion is sub- psychedelic; otherwise, dreams ought to resemble the DMT flash. The pineal has, since ancient times, been regarded as a connection between the material and spiritual worlds (López-Muňoz, Molina, Rubio, & Alamo 2011). Perhaps there is an element of truth in these ostensibly primitive ideas. Certainly, this needs to be explored further and will no doubt be the subject of future
discussions.

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Seriously proposing that the brain is capable of receiving extrinsic data from an alternate alien reality is certainly bold. However, this discussion has deliberately avoided defining the nature of the external world and certainly shies away from defining the nature of any alien world. A true external alien reality, the nature of which is difficult to comprehend, isn’t necessarily a requisite within the ancestral neuromodulator model of DMT. Jung proposed that fragments of the psyche buried in the unconscious might carry on a completely separate existence from the conscious ego. These autonomous psychic complexes form a miniature, self-contained psyche and are, perhaps, even capable of a consciousness of their own (Jacobi 1959). If confronted, these complexes would appear entirely alien, with qualities of outside objects or persons. It is conceivable that, rather than receiving extrinsic data from an external alien reality, the parallel thalamocortical repertoire explored and developed during elevated DMT secretion in sleep may in fact represent the informational structure of these autonomous psychic complexes. Rather than learning to build a representation of an alien reality external to the brain, the brain in fact may have learned to build a conscious representation of deep unconscious structures. Laughlin (1996) argues that Jung’s constellation of human archetypes that constitute the collective consciousness are neurognostic structures (neural structures present from birth that produce the experience of the foetus and infant) that are both inheritable and subject to evolution. It ought to be clear that these neural structures are analogous to, if not identifiable with, the thalamocortical connectivities discussed at length in this paper. Clearly, if ancestral DMT secretion facilitated the development of a parallel set of inheritable neurognostic structures (thalamocortical connectivities), whether or not involving data input from a true external alien reality, these may form an autonomous fragment of the collective unconscious (a universal autonomous psychic complex) that can be expressed only when DMT levels in the brain are reconstituted (i.e. by smoking or injection of exogenous DMT). This would explain the phenomenal commonalities reported by DMT users, while also explaining why DMT alone seems capable of evoking these characteristic alien worlds. One can at least speculate that this universal psychic complex might evolve somewhat independently and, perhaps, far more rapidly than other parts of the collective unconscious and the conscious ego. Would this explain why the worlds and their occupants experienced under DMT often appear extremely intelligent and hypertechnological? This requires a far more detailed examination than can be presented here, but it is certainly an interesting idea.

109
Neuroscientists Say They've Found an Entirely New Form of Neural Communication

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Scientists think they've identified a previously unknown form of neural communication that self-propagates across brain tissue, and can leap wirelessly from neurons in one section of brain tissue to another – even if they've been surgically severed.

The discovery offers some radical new insights about the way neurons might be talking to one another, via a mysterious process unrelated to conventionally understood mechanisms, such as synaptic transmission, axonal transport, and gap junction connections.

"We don't know yet the 'So what?' part of this discovery entirely," says neural and biomedical engineer Dominique Durand from Case Western Reserve University.

"But we do know that this seems to be an entirely new form of communication in the brain, so we are very excited about this."

Before this, scientists already knew there was more to neural communication than the above-mentioned connections that have been studied in detail, such as synaptic transmission.

For example, researchers have been aware for decades that the brain exhibits slow waves of neural oscillations whose purpose we don't understand, but which appear in the cortex and hippocampus when we sleep, and so are hypothesised to play a part in memory consolidation.

"The functional relevance of this input‐ and output‐decoupled slow network rhythm remains a mystery," explains neuroscientist Clayton Dickinson from the University of Alberta, who wasn't involved in the new research but has discussed it in a perspective article.

"But [it's] one that will probably be solved by an elucidation of both the cellular and the inter‐cellular mechanisms giving rise to it in the first place."

To that end, Durand and his team investigated slow periodic activity in vitro, studying the brain waves in hippocampal slices extracted from decapitated mice.

What they found was that slow periodic activity can generate electric fields which in turn activate neighbouring cells, constituting a form of neural communication without chemical synaptic transmission or gap junctions.

"We've known about these waves for a long time, but no one knows their exact function and no one believed they could spontaneously propagate," Durand says.

"I've been studying the hippocampus, itself just one small part of the brain, for 40 years and it keeps surprising me."

This neural activity can actually be modulated - strengthened or blocked - by applying weak electrical fields and could be an analogue form of another cell communication method, called ephaptic coupling.

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The team's most radical finding was that these electrical fields can activate neurons through a complete gap in severed brain tissue, when the two pieces remain in close physical proximity.

"To ensure that the slice was completely cut, the two pieces of tissue were separated and then rejoined while a clear gap was observed under the surgical microscope," the authors explain in their paper.

"The slow hippocampal periodic activity could indeed generate an event on the other side of a complete cut through the whole slice."

If you think that sounds freaky, you're not the only one. The review committee at The Journal of Physiology – in which the research has been published – insisted the experiments be completed again before agreeing to print the study.

110
Philosophy & Science / Does Empathy Have A Dark Side?
« on: April 14, 2019, 03:41:06 pm »
Does Empathy Have A Dark Side?

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"Sometimes we commit atrocities not out of a failure of empathy but rather as a direct consequence of successful, even overly successful, empathy," he writes in his forthcoming book The Dark Sides of Empathy...

"Empathy is a riddle," Breithaupt says. While it can enrich our lives, Breithaupt says our ability to identify with others' feelings can also fuel polarization, spark violence and motivate dysfunctional behavior in relationships, like helicopter parenting...

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But there's a flip side too, right? In your book you talk about something you call "vampiristic empathy." What do you mean by that?

Vampiristic empathy is a form of empathy where people want to manipulate the people they empathize with so that they can, through them, experience the world in such a way that they really enjoy it.

An extreme case of this is helicopter parenting. Helicopter parents are constantly trying to steer their kids in the directions they think are the right directions. Of course they want the best for their children. Very understandable; I have kids and I want what's best for them too.

But I think there's something else seeping in. There's this sort of living along with the kids, imagining how it must be like to have a life that's marked by successes, where obstacles disappear and life can be enjoyed. But that also means that the parents are co-experiencing that life, so they start taking over ... they basically want to use the child almost as a pawn.

In a sense, extreme helicopter parents are robbing their kids of a selfhood so that they can basically project their own self into these kids.

You write that empathy can actually make us more polarized instead of bringing us together. How can that happen?

People imagine that empathy can help resolve tensions in cases of conflict, but very often empathy is exactly that thing that leads to the extremes, that polarizes people even more.

It can happen this way, be it a family feud or something that escalates to a civil war. Humans are very quick to take sides. And when you take one side, you take the perspective of that side. You can see the painful parts of that perspective and empathize with them, and that empathy can fuel seeing the other side as darker and darker or more dubious.

One example of this comes from Northern Ireland, which has a long history of conflict. In the early 2000s school administrators there tried to resolve the conflict between the Catholic and Protestant youth by bringing empathy into the curriculum.

They emphasized that students would learn both sides, and the atrocities committed by one side or the other were always put into context. Students learned this curriculum, but follow-up studies showed that this new generation was more polarized than the one before.

So what this group had internalized was there's always two sides and, in the end, they know their side. So they reorganized this information to empathize with people on their side and withdraw from the other side.

So Northern Ireland had to abandon this project.

The other case is that of terrorists. I think a lot of terrorists may not lack empathy. Rather, they see some plight of a group they identify with — they see them suffering and see it as something horrible, and that becomes more extreme and activates them to become active terrorists.

Are there other downsides to empathy?

[Empathizers] may overextend themselves. If you are a medical doctor who sees a lot of suffering and pain every day, it can very quickly become too much. Something like a third of medical doctors suffer from "empathy burnout" that is so severe that it affects their functioning as doctors and their personal life. They become the victim of feeling empathy.

In the end though, doesn't empathy cause more good than harm?

In one sense, yes. Empathy is weakly correlated with altruistic behavior. So there is a connection. I do think empathy can help people help each other, and that makes us human.

111
Philosophy & Science / Black Hole Sun: On the Materialist Sublime
« on: April 11, 2019, 01:19:12 am »
Black Hole Sun: On the Materialist Sublime

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The first image of black hole has just been released today. This is a profound and important aesthetic moment from a new materialist perspective. The image is not beautiful because we enjoy a free play of our imagination as we try to figure out what we are looking at and how it fits with our existing conceptual framework. The image is also not sublime in the sense that a black hole is an infinitely dense singularity that defies all calculation by general relativity, and thus “blows our mind,” as we try to conceptualize the radically unconceptualizable. The black hole is itself a work of art. Nature, according to Kant, cannot be art because nature is passive and mechanistic. Art, for Kant, is radically free because it is a strictly human feeling of our own freedom.

The black hole is an excellent example of the materialist sublime. Nature and matter are not passive or deterministic. They are indeterminate material processes. They perform precisely the sublime that Kant restricts to humans alone. Black holes are not infinitely dense singularities. At the heart of a black hole is a specific (and very small) spatio-temporal region measured by the Planck scale and related to the size of the black hole (its Schwarzschild radius). However, and more importantly, below the Planck level of the black hole there are quantum processes that produce the spacetime of that region. These quantum processes below the Planck unit are fundamentally indeterminate—meaning that they are neither in one spacetime or another. They are the indeterminate material conditions for the emergence of spacetime itself (quantum gravity).

In other words, nature is not just the passive conditions for the human experience of its own aesthetic faculties of beauty or the sublime but itself performs the sublime activity of radical indeterminism without concrete form. Humans have the experience of sublimity only because nature is already performatively and materially sublime.

112
Philosophy & Science / The ancient philosophers and "anagogic power"?
« on: April 07, 2019, 05:07:55 pm »
Interesting excerpt from The Golden Chain- An Anthology of Pythagorean and Platonic Philosophy

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The  fall  in  philosophical  insight,  as  well  as  the  mission  of  the  superior  souls  sent  down  to  recall  corrupted  souls  to  the  divine  abode, was exemplified in the Phaedrus of Plato. Thus even Socrates, who  described  philosophy  as  a  kind  of  divinely  inspired  madness  (mania),  was  referred  to  as  a  savior  by  Hermeias  of  Alexandria.  According  to  him,  Socrates  had  been  sent  down  to  the  world  of  becoming as a benefit to mankind and to turn souls—each in a dif­ferent way—to philosophy. Not only Pythagoras, Archytas, Socrates, and  Plato,  but  also  later  philosophers  such  as  Ammonius  Saccas,  Plotinus,  Porphyry,  Iamblichus  and  Syrianus  were  “companions  of  the gods” (apadous theon andras) and belonged to the revelatory and soteriological tradition of philosophy, the main principles of which were  received  from  daemons  and  angels.  Such  men  were  ranked  with  divine  beings  and  called  “daemonic”  by  the  Pythagoreans.  They were members of the divine choir, free from subjection to the body and “instructed by the divine” (theodidaktos). Thus philosophy was  “sent  down”  along  with  those  who  preserved  intact  their  pure  vision of the gods in the heavenly procession (or the solar boat of Osiris-Ra,  to  express  the  matter  in  Egyptian  terms),  who  were  the  providential  agents  of  Eros  and  the  inspired  interpreters  of  the  noetic realities. They were the keepers of anagogic power, because dialectic and discursive thought were regarded as necessary aspects of  the  ascent.  According  to  Hermeias,  true  philosophers  were  divine-like  souls  who  derived  their  wisdom  from  the  immaterial  realm  and  then  translated  it  to  fallen  souls—those  who  ought  to  regrow their wings through the complete course of purification and recollection of their archetypal origins.

113
Quantum Machine Appears to Defy Universe’s Push for Disorder

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Freer Law

Given enough time, even a tidy room will get messy. Clothes, books and papers will leave their ordered state and scatter across the floor. Annoyingly, this tendency toward untidiness reflects a law of nature: Disorder tends to grow.

If, for example, you cut open a pressurized scuba tank, the air molecules inside will spew out and spread throughout the room. Place an ice cube in hot water and the water molecules frozen in the ordered, crystalline lattice will break their bonds and disperse. In mixing and spreading, a system strives toward equilibrium with its environment, a process called thermalization.

It’s common and intuitive, and precisely what a team of physicists expected to see when they lined up 51 rubidium atoms in a row, holding them in place with lasers. The atoms started in an orderly pattern, alternating between the lowest-energy “ground” state and an excited energy state. The researchers assumed the system would quickly thermalize: The pattern of ground and excited states would settle almost immediately into a jumbled sequence.

And at first, the pattern did jumble. But then, shockingly, it reverted to the original alternating sequence. After some more mixing, it returned yet again to that initial configuration. Back and forth it went, oscillating a few times in under a microsecond — long after it should have thermalized.

It was as if you dropped an ice cube in hot water and it didn’t just melt away, said Mikhail Lukin, a physicist at Harvard University and a leader of the group. “What you see is the ice melts and crystallizes, melts and crystallizes,” he said. “It’s something really unusual.”

Physicists have dubbed this bizarre behavior “quantum many-body scarring.” As if scarred, the atoms seem to bear an imprint of the past that draws them back to their original configuration over and over again....

114
Neural precursors of deliberate and arbitrary decisions in the study of voluntary action

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Abstract

The readiness potential (RP)—a key ERP correlate of upcoming action—is known to precede subjects’ reports of their decision to move. Some view this as evidence against a causal role for consciousness in human decision-making and thus against free-will. Yet those studies focused on arbitrary decisions—purposeless, unreasoned, and without consequences. It remains unknown to what degree the RP generalizes to deliberate, more ecological decisions. We directly compared deliberate and arbitrary decision-making during a $1000-donation task to non-profit organizations. While we found the expected RPs for arbitrary decisions, they were strikingly absent for deliberate ones. Our results and drift-diffusion model are congruent with the RP representing accumulation of noisy, random fluctuations that drive arbitrary—but not deliberate—decisions. They further point to different neural mechanisms underlying deliberate and arbitrary decisions, challenging the generalizability of studies that argue for no causal role for consciousness in decision-making to real-life decisions.


Significance Statement:

 The extent of human free will has been debated for millennia. Previous studies demonstrated that neural precursors of action—especially the readiness potential—precede subjects’ reports of deciding to move. Some viewed this as evidence against free-will. However, these experiments focused on arbitrary decisions—e.g., randomly raising the left or right hand. We directly compared deliberate (actual $1000 donations to NPOs) and arbitrary decisions, and found readiness potentials before arbitrary decisions, but—critically—not before deliberate decisions. This supports the interpretation of readiness potentials as byproducts of accumulation of random fluctuations in arbitrary but not deliberate decisions and points to different neural mechanisms underlying deliberate and arbitrary choice. Hence, it challenges the generalizability of previous results from arbitrary to deliberate decisions.

115
Why the central problem in neuroscience is mirrored in physics

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In general, it seems all fundamental physical properties can be described mathematically. Galileo, the father of modern science, famously professed that the great book of nature is written in the language of mathematics. Yet mathematics is a language with distinct limitations. It can only describe abstract structures and relations. For example, all we know about numbers is how they relate to the other numbers and other mathematical objects—that is, what they “do,” the rules they follow when added, multiplied, and so on. Similarly, all we know about a geometrical object such as a node in a graph is its relations to other nodes. In the same way, a purely mathematical physics can tell us only about the relations between physical entities or the rules that govern their behavior.

One might wonder how physical particles are, independently of what they do or how they relate to other things. What are physical things like in themselves, or intrinsically? Some have argued that there is nothing more to particles than their relations, but intuition rebels at this claim. For there to be a relation, there must be two things being related. Otherwise, the relation is empty—a show that goes on without performers, or a castle constructed out of thin air. In other words, physical structure must be realized or implemented by some stuff or substance that is itself not purely structural. Otherwise, there would be no clear difference between physical and mere mathematical structure, or between the concrete universe and a mere abstraction. But what could this stuff that realizes or implements physical structure be, and what are the intrinsic, non-structural properties that characterize it? This problem is a close descendant of Kant’s classic problem of knowledge of things-in-themselves. The philosopher Galen Strawson has called it the hard problem of matter.

116
Philosophy & Science / Is Consciousness Fractal?
« on: February 25, 2019, 02:07:23 am »
Is Consciousness Fractal?

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“It wouldn’t come as a shock to me if consciousness is fractal,” Taylor says. “But I have no idea how that will manifest itself.”

One potential manifestation is a much-debated and controversial theory of consciousness proposed by physicist Roger Penrose and anesthesiologist Stuart Hameroff in the mid-1990s. About a decade earlier, Penrose suggested that consciousness results from quantum computation taking place in the brain. Hameroff followed up on this work with the suggestion that the brain’s quantum processing happened not at the level of the neuron but in microtubules, tiny structures within neurons responsible for cell division and structural organization. Proteins inside the microtubules contain clouds of delocalized electrons whose quantum behavior can cause vibrations in the microtubules to “interfere, collapse, and resonate across scale, control neuronal firings, [and] generate consciousness.”

So where do fractals come into play? It is known that EEGs, signals correlated with conscious awareness—like Goldberger’s heartbeats—exhibit fractal dynamics in the time domain. Hameroff argues that the fractal hierarchy of the brain also exists in the vibrations that resonate across the scales of the spatial domain, from the dynamics of networks of neurons, to the neurons themselves, to the dynamics of their microtubules.

“Consciousness can move up and down the fractal hierarchy,” writes Hameroff, “like music changing octaves,” resonating across levels.
Giuseppe Vitiello, a physicist at the National Institute for Nuclear Physics in Italy, takes a different approach to the application of quantum physics to brain dynamics (using quantum field theory instead)—but he, too, likens it to an ordering along fractal lines. Like a magnet, he says: disordered on the microscopic level until a trigger causes the magnetic “arrows” to all point in the same direction and result in an organized macroscopic system. Vitiello showed that the advent of this coherent structure—namely, of coherent quantum states—corresponds to the way fractals are represented mathematically. In other words, underlying the brain’s fractal processes is quantum coherence.

Philosopher Kerri Welch looks at consciousness in a more holistic way, through the lens of time and memory. “I think consciousness is a temporal fractal,” she says. “We’re taking in an infinite amount of data every moment. It’s a jump in scale every time we compress that data.” According to Welch, perceived time is not a linear progression but a “layering.” A fractal.

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Scientists Release Controversial Genetically Modified Mosquitoes In High-Security Lab

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Scientists have launched a major new phase in the testing of a controversial genetically modified organism: a mosquito designed to quickly spread a genetic mutation lethal to its own species, NPR has learned.

For the first time, researchers have begun large-scale releases of the engineered insects, into a high-security laboratory in Terni, Italy.

"This will really be a breakthrough experiment," says Ruth Mueller, an entomologist who runs the lab. "It's a historic moment."

The goal is to see if the mosquitoes could eventually provide a powerful new weapon to help eradicate malaria in Africa, where most cases occur.

"It's very exciting," Mueller says.

NPR was the only news organization allowed into the lab to witness the moment the releases began in early February.

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Philosophy & Science / The Philosophy of Organism
« on: February 22, 2019, 04:31:29 pm »
The Philosophy of Organism

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The philosophy of organism is the name of the metaphysics of the mathematician and philosopher Alfred North Whitehead. Born in Kent in 1861, schooled in Dorset, Alfred headed north and taught mathematics and physics in Cambridge, where he befriended his pupil Bertrand Russell, with whom he came to collaborate on a project to develop logically unshakable foundations for mathematics. In 1914, Whitehead became Professor of Applied Mathematics at Imperial College, London. However, his passion for the underlying philosophical problems never left him, and in 1924, at the age of 63, he crossed the Atlantic to take up a position as Professor of Philosophy at Harvard University. He died in Cambridge, Massachusetts, in 1947. His intellectual journey had traversed mathematics, physics, logic, education, the philosophy of science, and matured with his profound metaphysics, a complex systematic philosophy that is most comprehensively unfolded in his 1929 book, Process and Reality.

The philosophy of organism is a form of process philosophy. This type of philosophy seeks to overcome the problems in the traditional metaphysical options of dualism, materialism, and idealism. From the perspective of process philosophy, the error of dualism is to take mind and matter to be fundamentally distinct; the error of materialism is to fall for this first error then omit mind as fundamental; the error of idealism is also to fall for the first error then to omit matter as fundamental. The philosophy of organism seeks to resolve these issues by fusing the concepts of mind and matter, thereby creating an ‘organic realism’ as Whitehead also named his philosophy. To gain an overview of this marvelous, revolutionary, yet most logical philosophy, let’s first look at what Whitehead means by ‘realism’, then at the meaning of its prefix, ‘organic’.

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Philosophy & Science / Berkeley's Suitcase
« on: January 18, 2019, 08:08:19 pm »
Berkeley's Suitcase

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Early modern philosophy hoped to explain all bodily changes as variations of atomic motions. But even if such an explanation could be given (and that still seems as unlikely today as it did in Berkeley’s day), it would not free man from his walled citadel anymore than an Emperor walks among his people because his economic advisor explains their condition to him.

Another way to put the puzzle is this. If changes in bodies are produced at the level of atomic motion, then the bodies themselves seem to be reduced to a secondary explanatory state. Material bodies are like political bodies in this sense: we may generalize about the actions of some political party, but we recognize that the party itself is really an amalgam of many individuals, and that to generalize about them all is to say something that will not do justice to any one of them.

Locke was duly troubled. He wondered whether it is consistent with the goodness of God that He reserved for Himself the true atomic knowledge of things, and gave us only the sort of knowledge we get from our senses. Locke concludes that although “a man with microscopical eyes” might see things more truly, he would see things less usefully, for with our everyday vision we can discern things on the scale which is necessary for us to live our lives (see his Essay 2.18.12). Our creator had to choose on our behalf between the true and the useful, and He chose the second. This is not very satisfying justification for God’s activities – theodicy – for surely God Himself sees both the small and the large together; but Locke does not consider why God did not make us so as to see that way too. As we will shortly appreciate, Berkeley’s suggestion is that God created us in precisely this fashion.

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Consider first the isolation brought on by following the way of ideas. The suggestion that bodies (things that cannot be in minds) must be perceived indirectly by means of ideas (things that can be in minds) hinges on the belief that bodies cannot be in minds. Now, the reason for thinking that bodies cannot be in minds is that bodies are supposed to be of a nature incompatible with being in a mind: they are material. But if their materiality is put in doubt, there would be no reason to think that bodies cannot be in minds. And then the first sort of isolation would be unnecessary: man could directly perceive the world he inhabits.

Doubting that there are material bodies does not entail doubting that there are bodies. It is rather a question of reevaluating the status of ideas. For most early modern philosophers, ideas are intermediaries which bring us information about material things. But perhaps this is like one of those fairy tales where the messenger is really the prince in disguise; and as in the tale, once the onlookers know, they can clearly discern the princely features that had been there all along, for the ideas that were considered mere intermediaries have all the features of the bodies we always supposed they represented. All the colours and smells and sounds and tastes which early modern philosophy had banished to the mind are as common sense have always supposed they are – characteristics of the thing itself. We can therefore state Berkeley’s suggestion that ideas are bodies in the sense that a combination of shape, colour, smell, taste and so on is a cake, and another combination is an apple.

What Berkeley discovered is that doubting the existence of material bodies actually removes a great many other doubts. And so what seemed to Descartes, Malebranche, and Locke a sceptical attack, is to Berkeley merely a purgative. Of course our ideas do not point to anything beyond themselves, any more than bodies point to anything beyond themselves! Or in Philonous’ final words in Berkeley’s Three Dialogues, “the same principles which at first view lead to scepticism, pursued to a certain point, bring men back to common sense.” We find ourselves once again believing what Berkeley was so ashamed to doubt – that the world is rich with colours, odours, sounds and tastes.

Without matter, the second isolation, which is brought about by scale, can also be resolved. Bodies are made of ideas; but on Berkeley’s account, the ideas are composed of atoms. Consider what you see before you. Berkeley’s argument is that if you choose an object and narrow your vision, and then repeat this process, you will soon encounter a limit beyond which you cannot gain any more clarity. You have reached a sensory minimum. The sensory minimum is Berkeley’s atom.

Berkeley redefines the atom, then. On this view, God has given us simultaneously micro- and macroscopical eyes, insofar as perception reveals large-scale bodies, and simultaneously (though we may have to narrow our attention), their sensory minima. So his redefinition is just what Locke implicitly takes to be impossible even for a good God to create. Berkeley’s account also provides an elegant answer to the question of why atoms are indivisible. They are indivisible because they are atoms of sensation; so a limit on their divisibility is also a limit on what can be sensed by us. Another consequence of this approach is that research into atoms is likely to be restricted to those fields which study sensory phenomena, for example optics. And although ideas are composed of sensory atoms, there seems to be no reason to look to the atoms rather than to complex ideas for explanations. In other words, the truth about the body of a cat is as likely to lie at the macro- as at the micro-level of perception. This is a consequence of occupying the divine adjustable point of view Berkeley opens up to us. And so Berkeley has supplied us with the tiny, indivisible composing parts of bodies, and can also give bodies a sort of explanatory priority without following the path back to Aristotelianism.


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https://www.youtube.com/watch?v=j800SVeiS5I

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Embark on a visionary journey through the fragmented unconscious of our modern timest, and with courage face the Shadow. Through Shadow into Light.

“No tree, it is said, can grow to heaven unless its roots reach down to hell.” -C.G. Jung

Written, Directed & Produced by Lubomir Arsov
Original Soundtrack “Age of Wake” by Starward Projections
Composited by Sheldon Lisoy
Additional Compositing by Hiram Gifford
Art Directed & Edited by Lubomir Arsov
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'IN-SHADOW' is an entirely independently funded, not-for-profit film. If you'd like to support the artist, DONATE here: (click 'donate' tab) https://www.inshadow.net/

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