What Is Really Real?

If everything we hear, touch, smell, see are electrical impulses interpreted by our brain, then what is real out there?

 

In my view, to really answer that question we must forget everything that we think that we know about electrical impulses and brains and look at the phenomena again with fresh eyes. We must also ask questions about sensation and what is meant when we use the world “real”. Most importantly we must ask what our own capacities and biases are and what we can guess is true about reality and sensation vs what is true about our perspective as a human.
I think that I have answers to these questions, but they may not make sense unless you have asked them yourself. I would suggest that you first try to answer them yourself, even write out the answers, before consulting external sources, including this answer. Also write down what sources you think that your beliefs come from.
Question one: Why do most dreams seem real until you wake up?
Most people have probably had the experience of waking up and thinking, ‘Why would I not suspect that Mother Theresa falling asleep in my lap is impossible? She’s not even alive anymore.’ From this can we not conclude that our sense of realism is infinitely plastic? Even though some people may have lucid dreams where they do know that they are dreaming, or who do wake up after realizing that they are dreaming, it still does not explain why we can ever experience surreal, impossible, or nonsensical dreaming without questioning it. There is nothing that we can dream of which is so weird that it would cause us to question the reality of it. From this we must conclude that either our sense of realism is as much of an electrical hallucination as anything else we could sense. Is realism actually nothing more than failing to question one’s experience, or is there more to it than that?
Question two: How can you tell when you actually do wake up?
Many people have probably had the experience of false awakening, or a dream within a dream (even within a dream, within a dream, within a dream, etc). Each time you experience waking up in a dream, you have the feeling that you are awake but you are not, yet when you really do wake up, there seems to be an authenticity which is experienced directly and unmistakably. This sets up a curiously intransitive relation between false awakening and true awakening, namely, when we are dreaming, we can experience being awake, and we can doubt that we are awake, but when we really are awake, sane, and sober, we cannot fully doubt that we are awake. We can doubt it intellectually, and philosophically*, but this to me seems a very superficial kind of doubt which evaporates the moment that we are confronted with the sights, sounds, and feelings of our waking life. This suggests a contradiction to the first answer that I have give, bringing a third question:
Question three: How can we both know that all of our perception could be deception, but nevertheless feel that this knowledge is somehow insufficient to doubt the real world?
For this question, I think that the key is to realize that we have not taken skepticism far enough. If we consider that all perception is potentially deception, then we must also consider that this proposition itself is potentially deception. In other words, since we cannot know what is real, we cannot know that we cannot in some sense know what is real and in another sense not know. How do we know that nature doesn’t contradict itself?
At some point**, we have to admit that something is ‘given’ which cannot be doubted. Further we can conclude that what is given is not ‘knowledge’ but direct experience. However weak the veracity of our perception, knowledge is an even weaker proposition. Sellars attack on the myth of the given†, therefore, is itself deriving its own authority to attack from a myth of authority to attack which is itself under attack by his argument. His reasoning seems to exclude itself from criticism – assuming that scientific theories have access to a level of sanity about themselves which dreams could not simulate.
Question four: What do we really mean when we talk about ‘electrical impulses in the brain’?
When we talk about electricity, I think that we tend to have in mind something like sparks or lightning bolt. A bright, crackling appearance of a natural power or force which is independent of material objects but jumps between them at the speed of light. Further, theories developed by scientists such as Faraday and Maxwell explain this electric force in terms of perturbations or waves in an electromagnetic field. The electromagnetic field itself is invisible and intangible, so when we see lighting, hear thunder, or feel a shock, we are actually experiencing a second hand effect of matter rather than electricity itself.
To clarify:
This is not a picture of electricity, it is a picture of ionized air molecules colliding violently and releasing photons.
In a vacuum, there are no sparks and there is no sound. Sparks require a material medium which refracts light. Sound is always the collision of matter and is interrupted by a vacuum. While light is transmitted through a vacuum, there is no way to know for sure whether light is actually present in a vacuum, or whether photons are something else which can jump non-locally from place to place.
This is my own speculation, but it is not unprecedented. The Wheeler-Feynman absorber theory postulates that “every bit of radiation must be completely absorbed somewhere” (see Landon Carter’s answer to Can you explain Wheeler–Feynman absorber theory in layman’s terms?). If this is true, then it opens the door to radiation being an entanglement-disentanglement between ‘radiators’, even to the point of seeing space-time as emergent from it. Photons, electrons, even atoms themselves may not be true particles or wave in a vacuum, or fields or forces, but are more like examples of the ability to signal perceivability on the microphysical scale.
What I am suggesting is that absorber theory is on the right track, but does not go far enough. Not only is time meaningless for a photon (because of the constancy and insuperability of c) but even the assumption that some thing is emitted or absorbed could also be unfounded. Indeed, if my view is right, every equation and observation that we have about subatomic particles could be explained in terms of directly perceived micro-phenomenology.
This is not to say that “photons can see“, but that photons have no existence whatsoever other than as visibility (and thermodynamic tangibility) itself. Quantum fields and wave-functions mus then be considered purely abstract statistical entities which do not point to a deeper layer of inference beyond detection, but to the phenomenon of detection itself – to sensory-motor presentation. This uproots the entire foundation of both physicalism and functionalism to suggest the primacy of aesthetic participation behind any possibility of physical forms or logical functions. Sense is what the universe is made of, not stuff that makes sense, or that makes illusions of sense.
Rolling this back to ‘electrical impulses in the brain’, what we are really seeing when we look at an MRI is not electrical impulses, but electrical changes in the MRI instrument itself which are synchronized with the electrical changes of water molecules in brain tissue. This synchronization is not a collision of photons but a low level perceptual entanglement (which, in my hypothesis should be understood as a re-acquaintence or re-entanglement of spatiotemporally disentangled perceptual unity).
This is how I think that the brain works – we live our lives not as bodies or brains or electricity, but as the synchronization of changes which are diffracted across those various scales (Planck, atomic, organic, cellular, neurological, anthropological). These should not be thought of as scales primarily of space or distance but first of perceptual-partcipation, then time, then space. We are not bodies, or patterns of electrochemical information, or even pattern itself, but the capacity to perceive and participate which must rationally precede all appearance of ‘patterns’. Our brain activity is a 3+1 dimensional tip of an iceberg which transcends dimension itself, and which appears as a brain only because of the way that the limits of our human perception is even further limited by the sub-human bandwidth of our sensory organs.
From this, I conclude that what we perceive as the natural world, including brains, as well as everything that we infer from our perceptions, such as electromagnetism, are neither myth nor given but ‘myth-giving’ experiences. These experiences are, like our ordinary experiences, both concretely real within their own frame of reference and unreal from a ‘perceptually distanced’ or diffracted perceptual frame. A dream is a real dream, and only becomes unreal upon awakening into another dream which is more substantial and shared by more frames of reference. Reality should be understood as the real density of phenomenal overlap, such that there is not Reality so much as “Real Realism” – a quality of significance and coherence within a particular frame of perception in which the significance of the weight of perceptual experience accumulated through the entire history of experienced time (which would include all clock/calendar time, as well as all psychological time) is felt intuitively or instinctively.
Reality is real alright, but it is only the density of the constraints imposed by our condition as a human lifetime defining itself in the context of all other lives and times. I cannot prove what I am proposing to the satisfaction of reactionary skepticism (see Craig Weinberg’s answer to Is dualism no more than philosophical debris given the advances in neuroscience?) however I think that it is possible to reinterpret all of physics, mathematics, and information science successfully in this sense-first framework. Language and etymology are a valuable tool, since we can look at common-sense associations across cultures. Metaphors link literal, public facing phenomena such as weight or gravity with private facing phenomena such as importance or seriousness. There is, in my estimation, a whole other universe of connection between the sense of what is ‘out there’ and the sense of what is ‘in here’, which I try to scratch the surface of in my writing.
*Pyrrho, the founder of Skepticism is worth mentioning here, he
“founded a new school in which he taught fallibilism, namely that every object of human knowledge involves uncertainty. Thus, he argued, it is impossible ever to arrive at the knowledge of truth. It is related that he acted on his own principles, and carried his skepticism to such an extreme, that his friends were obliged to accompany him wherever he went, so he might not be run over by carriages or fall down precipices. It is likely, though, that these reports were invented by the Dogmatists whom he opposed. ” Internet Encyclopedia of Philosophy
** Descartes famously arrived at his cogito “I think therefore I am” as a result of taking his Cartesian doubt to its limit. Doubt, after all, cannot itself be doubted, and a belief in disbelief is still a belief.
† Another philosopher living in the 20th century, Wilfrid Sellars, was influential for his “Attack on the Myth of the Given”. Where Descartes skepticism led him to view himself as unquestionable, Sellars saw perception as inseparable from conception, so that just as an ambiguous image can appear to be a duck or a rabbit, our theory about what we are looking at cannot be subtracted from the experience of looking at it. Because of this, his view is that scientific theory can supersede the empirical reports of our senses. In my terms, he is saying that sense-making is more fundamental than sense experience.

 

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