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Showing posts with label geometry. Show all posts
Showing posts with label geometry. Show all posts

Saturday, May 16, 2020

Why are perceptual contents of Psychedelic experiences important? - Celestina Aurora Madry


 

"Albert Hoffman’s discovery of LSD led to the discovery of the serotonergic system, after it was discovered that LSD binds to certain types of serotonin receptors because it contains an indole ring, the same molecular backbone that serotonin has. I think it’s no coincidence that out of all drugs to spur on such a discovery, that it was LSD- I doubt that such a discovery would have been made if Albert Hoffman would have ended up synthesizing an SSRI instead of LSD. It is the fact that LSD has such profound qualia associated with its ingestion, that shed light on the idea that tinkering with brain chemistry in a certain way, can make people feel different. Remember, before the 1950s, the idea that brain chemistry is in some way responsible for our feelings was still totally foreign to science, so Albert Hoffman’s discovery of LSD leading to the discovery of the serotonergic system’s role in our feelings was novel and quite revolutionary at the time." - Qualiology Audio Recording was taken from: VRTO2018 Empathic Understanding w Psychedelics & EVR https://www.youtube.com/watch?v=8qEbN... Music Credit goes to: We Plants Are Happy Plants - Not Waiting For Anything (Variation On A Theme) Photo Credit goes to: leth@lickmylenscap.com

Tuesday, July 17, 2018

Synchronicities are Cascades into more Synchronicities


 I recreated the visual effects of a psilocybin dose in virtual reality - techn0shaman

Given that this mushroom trip was a significant experience that fundamentally altered my life forever I am going to try and download this high bandwidth experience into english in the best way that I can articulate it for you and for myself, but please keep in mind that at any given moment the human brain is receiving a sensory experience of about 40+ HD4K movies every second and english is an inferior method of trying to accurately describe the journey I had taken. So its like compressing 40+HD4K movies into an audio file that is being transmitted over a dialup 56k modem. There is a lot of loss that is going to happen, and some local jargon will be incorporated, however! Please read ahead with an open mind and maybe someone who listens my words will vibrate the same memory or feeling or experience and share that same thing in common with me or similar.


The evening started on the patio around 9pm just in the last few moments of twilight left in the sky to illuminate the deck with a soft warm glow, I was sitting with Jacob a friend since 2009 and now my roomate, Cressa the lovely amazing neighbor who lives upstairs and has become a friend to me this summer because we spend many hours together listening to music, chatting, relaxing in the sun ect. and my friend of 9 years Celestina who I met in Edmonton and has been a great friend and intellectual personality in my life, with the warm summer weather and a clear sky with a huge looming tree that shared this whole experience with my friends and me. I started my dose by eating mushrooms at 10pm and nibbled on them for about an hour while chatting away to my friends, having a drink of cider.  As the digestion of the mushrooms started we all used this time to reflect on other psychedelic mushroom trips we have had, and while discussing that in particular this was an important trip for me because it was my 25th encounter with psilocybin. Tina noted that: “This was my 25th trip in my 25th year” I believe this to be an important synchronicity, this was the cascade into novelty for us, Terence McKenna has taught all of us in the lectures we have listened to , to “pay attention” so we all had the mindset that allowed our pattern recognizing part of the brain active and this created a large amount of data with many synchronicities that began to unfold throughout during and after the trip.


Approximately 1hr 20 mins after consuming 1 gram of psilocybin, My trip began …

with the mental feeling of being propelled upwards at a very fast rate similar to a spacecraft- through a membrane/frequency/atmosphere vertically. After what I assume to be 20 mins give or take I was in what I call “the fungus funk” and it’s a feeling of being in the mushrooms domain/space. So after achieving Ascension by using cannabis to bring the trip into focus I started to see a seductive, kinky, scary, exhilarating entity that was very dark but shimmering with iridescent refractions, this moth type entity had a wingspan of 50 feet or more in diameter with thousands of flickering staring eyes on the surface of it's entire body and wings. This being was teasing me and trying to coax me into the trip. Finally I convinced myself to say yes and after this happened the entirety fully consumed me and that's when I lost consciousness.


This is a recurring theme and it's the third time this has happened to me. After doing some research I have found that this is a phenomenon called a “shaman shake” and it's a complete reset of the brain that allowed me to heal the deepest parts of my soul. In the moment when I blacked out I felt like I was sleeping in warm black velvet while still aware that I was alive. 


Tina recounted to me that I slouched back and knocked over my bong which spilled onto the deck. She said to me “are you okay” three times, but I only heard it once. It’s what brought me back after blacking out.


After awakening from losing consciousness, Cressa returned outside after going in for a moment and my friend Celestina was ultimately worried that I had some sort of neurological seizure, but I assure you this is much different, this is some sort of psilocybin brain reset that happens as a result of personality archetypes and many other factors. This subjective recurring phenomenon that I experienced with taking psilocybin, combining THC/CBD and seeing the entity before blacking out, has me wondering exactly what is going on? I want  proper scientific rhetoric and a research team to study the effects of psilocybin on my brain and the correlation between these events which seem to be linked.


The following 2 hours were very intense and difficult to get through, the physical discomfort from the mushrooms raising and lowering my body temperature was almost unbearable, the visuals were beautiful, I was seeing the tree above me fade in and out of my visual acuity.the recursive frames and visual tracers were excruciatingly beautiful with the stars literally touching our eyes from the milky way galaxy the moments of very hard to get through were made possible by the beauty of my visual cortex being stimulated. Also my friend tina who was a very great support force during the humbling healing aspects of my trip, she was able to answer all my questions relentlessly and assure me that I am fine and this is all part of the process, Tina was the archetypical shaman figure in the ritual that occured that evening. She was the transdimensional seerest who was able to guide me through the 100ft psilocybin waves that would rush in and out. We would be laying on our back and look up at the sky, and see shooting stars trickle across the horizon.

Cressa’s energy was so important to the evening and I told her that too, she was the mother, maiden, crone and kept us all grounded. While the mushroom was healing me by dissolving my ego and my body was telling me I was dieing. It was all for the better, and in the moment I knew that but it still was so difficult and strenuous to get through.


After about 2 hours, I had a breakthrough! At last! Time was an eternity to me at this point and I could feel and see the psilocybin molecules sponge out the residual detritus of the ego and dissolve the anxiety membrane right from inside my brain. Similar to how lichen on a time lapse that has been sped up, the sponging growing feeling within the neocortex was accompanied with visuals. All medicine was founded on shamanic, psychedelic principles.The DNA Helix was discovered under the influence of psychedelics, so I have no doubt that I was gifted this vision from the intelligence that lives inside the mycelium networks that is scattered throughout the galaxy,as a coping mechanism but also from the divine nature of the entity inside that has the innate ability to communicate with me and with others in english. This entity was trying to help me, I believe it was the mushroom, or is inside the dimension that the mushroom changes your frequency too so you can inhabit this zone as a visitor.



To calm everyone down because now things were getting very chaotic as visuals were coming on very strong. We were getting some frame overlay synchronicities were starting to really protrude into this dimension and we were all peaking, we put on a lecture by Terence McKenna, one that I was quite familiar with “Conversations at the Edge of Magic” ; it’s basically the story of humanity from the point of view he created with his ‘Stoned Ape Theory’.’


After finishing the lecture Cressa went inside for what seemed like a fairly long time, as our understanding of time shifted from linear to chaotic. Tina and me were discussing the subjective effects of the neurological reset I had earlier in the evening. I noted that it had been a while since we spoke to Cressa so I went inside to find her standing at the kitchen stove, with a huge ridiculous, sparkly, hilarious, crinkly wrapper and what was inside???? A surprise?? A miracle?


a giant chocolate egg!! that was made of swiss chocolate that she had inherited as a gift from the previous owner of the apartment. We were all giggling and carrying on about how hilarious it was, as Cressa was smearing peanut butter on the chocolate and taking bites to eat. It was so funny and there actually was a surprise inside. Specifically for me! [i’m going to leave out what it was for some mystery]


Once we returned outside we played some uplifting space ambient music.

Cressa, Celestina, and myself took this time to reflect on our positions in the universe, the world, the context of our culture, how the culture is sick, what we can do about it, how we can channel the positive aspects of our psychedelic teachings back into our lives and integrate them into our outlook on the world. Where humanity will exist in the future. Where we are going, The past and how we can redeem history by saving the human soul. all combined into one moment of excruciatingly beautiful complex emotion and geometry.


While all of this chatter about the universal future humanity, one consciousness. Satellites were passing by and we were seeing shooting stars all evening. I had brought out a crystal ball that was a gift from Lady Tamarra, the founder of the Wiccan church of Canada. Cressa and me were studying the light refractions from the candle flames, and looking deep into the crystal physically, describing it to each other, then Celestina joined in and we had a really great discussion about magic. At the time that I received the crystal ball I did not fully understand the full meaning of what that would entail. This is a very magical crystal. It goes from life to life, witnessing magical events. Collecting wisdom. I wonder what memories its gained from Lady Tamarra, where did she get it? Who made this thing? As far as I am concerned this is an oracle of some sort that is going to be with me for a period during my life and then be passed on to a future generation to teach and inspire and fill the caretaker with wonder.


Now the visuals are starting to fade and a quiet serene feeling is in the air, we all look to the stars and I notice the ISS international space station, We all looked to the sky at the same moment after I pointed it out, and when we did. The whole thing flared up with light for one second. I think the solar panels were positioned in just a way, to be hit by the sun and reflect into our viewing range. It was absolutely incredible. 


We are blessed, synchronicities are cascades into more synchronicities.


The munchies were kicking in, it was 4am and after smoking cannabis all evening and coming down from our mushroom peak we wanted some food. I suggested that we have peanut butter and jelly sandwiches, so I went down to my apartment, said hello to my beautiful best friend, my dog Odis and kissed him and then grabbed all the supplies we needed for snack time. I emerged from the basement and sat back down on the patio with bread, creamy soft peanut butter, and smuckers raspberry jam. It was delicious, it was so nice to have had a successful mushroom trip and good vibes all evening. We were all just taking in the moment together and eventually we started to get tired, Cressa announced that she wanted to go to bed. Celestina and me decided that we were going to sleep on the patio because it was so nice out and we already had our blankets out there anyway.


I fell asleep peacefully on the patio under the night sky and was awoken at 10am by the birds chirping and the hot sun beating down on me. It was so spectacular. The afterglow had me feeling great and I spent the day relaxing in the sun with my friends. 


That was one of my favorite encounters with psilocybin and I will spend the next few weeks and months assimilating everything I have learned from this experience. I am glad to be able to share this experience with you, no matter how bad of a download into english it is from full immersion virtual reality in my memory. I am happy to had been able to experience this and I look forward to a day in the future when our civilization is more enlightened. These consciousness expanding hallucinogens are essential to the evolution of the individual and the society.


- techn0shaman

 


Tuesday, August 29, 2017

Non Euclidean Psychedelic Qualia and VR Replications

 

The Congress of Intersectionality between Virtual reality and Psychedelics [CIVP]


DSC01390.JPG


Goal: to create dialogue within two different communities who have the potential to create a breakthrough in our methods of communicating to each other with a visible language and establish a space a few times a year, where people can gather and discuss the impacts of psychedelics and IT- specifically EVR [electronic virtual reality.]



DSC01356.JPG

MIRRORS & SYMETRICAL TEXTURE REPITITION 


Euclidean 3D space has fundamental limitations that seem like they are impossible to even imagine in any other way. For example, an equilateral triangle always has 60 degree angles in its inner corners.
1200px-Triangle.Equilateral.svg.png

Not only does it seem impossible to create an equilateral triangle in any other way, it seems impossible to even be able to imagine how such a triangle would even look like, since even the limits of the imagination seem to be bound by the laws of Euclidean geometry. Look at the triangle above and try to imagine it with each side being the same length, but the angles being a number different than 60 degrees.

What if I was to say that it is not only possible to imagine it, but even possible to draw it? How can that be? This is where hyperbolic curvature comes in.

What is hyperbolic curvature?

The simplest way to describe hyperbolic curvature is that is is what happens when the dimensional plane in which a shape exists is folded through the space of a higher dimension. For example, if one was to draw a triangle on a piece of paper that is curved inwards, one would have a triangle with negative hyperbolic curvature of the 2D space that it is drawn on. This is known as H2, meaning that the 2D plane is curved. The dimensionality of the plane corresponds to the number that appears after the H, so even if the piece of paper is being folded through 3D space, the hyperbolic curvature is two dimensional.

So how does this relate to being able to draw an equilateral triangle that has angles that are different than 60 degrees? This is something that is easier to show than it is to explain:
1280px-Hyperbolic_triangle.svg.png

Even though the lines appear to be curved with a 3D interpretation of that image, the lines would still appear straight to a “Flatlander”. What is a Flatlander? A Flatlander is a hypothetical being that lives on a 2D plane and it only able to perceive two spatial dimensions. Using a Flatlander’s perspective of 3D space will help us understand how higher dimensional geometry might appear on a lower dimensional plane, and how higher dimensional spaces might be imagined within the limitations of lower dimensional perspective.

Imagine that the Flatlanders live on a piece of paper that is falling. What we perceive as an up/down space would be perceived as time from a Flatlander’s perspective. For example, if the piece of paper that the Flatlanders live on passes through a tetrahedron, the tetrahedron would appear as a triangle that pops into existence, grows in size, and then disappears. A Flatlander’s perspective of up/down space is limited to only one point of up/down space, and does not extend beyond the infinitely small thickness of the 2D plane that they live on. Thus, their perception of tetrahedral geometry in relation to up/down space can only be perceived through changes of 2D geometry over a period of time. Using this perspective of how things would be for a Flatlander, we can think of how the spatial extent of objects in 4D space can only be perceived via changes in 3D geometry over a period of time from a 3D spatial perspective.   

Even if a Flatlander might not ever be able to see an actual 3D cube, they are able to see an approximation of what a cube looks like with a drawing of a cube on their 2D plane. Most Flatlanders would see a hexagon with a “Y” in it or two squares joined together (depending on how the cube is drawn) rather than a drawing of a cube, since their perspective being constrained to two spatial dimensions makes it difficult to understand how this drawing portrays a simulation of what a 3D space looks like.    

The Dimensionality of Human Visual Perception

One thing that most people take for granted is that human visual perception is actually 2D, and that the perception of 3D space is created via a series of sensory illusions that create a simulation of 3D space that is accurate enough to allow humans to be able to navigate a 3D world. There is only up/down and left/right in the visual field, and any perception of forward/backward space is due to having an awareness of how certain patterns in 2D space correspond to changes in 3D space, such as things getting bigger if they are closer and smaller if they are further.

When light hits the retina, the resulting data inputs occur on a 2D plane with negative hyperbolic curvature. The retina is not flat- it is curved inwards along with the spherical shape of the eyeball. The hyperbolic curvature of the retina is what allows for the 2D space of visual perception to be able to incorporate 3D geometry and creates the ability for forward/backward space to be perceived via interpolations of the 2D visual plane, like distant objects appearing smaller and closer objects appearing larger. The hyperbolic curvature of the retina allows the brain to be able to calculate the forward/backward distance of where the light is coming from.  Although things like balance and proprioception allow for the perception of 3D space, the hyperbolic curvature of the retina as well as the way the brain processes the data inputs from the retina allow the visual field itself to appear to be able to accurately fit 3D geometry within it, or in other words, allow for accurate depth perception.  

[Insert drawing to make this easier to explain]

The Dimensionality of Human Time Perception

As discussed earlier with the example of the Flatlander perceiving up/down space in 3D as a linear progression of points that we think of as “time”, what humans perceive as “time” is also the result of only being able to an infinitely small point of the space of the dimension above, and the space of the dimension above can only be seen as a progression of changes of 3D space from one point of time to another. Time is not something that is objectively or tangibly different than space (as Albert Einstein had discovered over a century ago), but rather something that is the result of the subjective perspective of only one infinitely small point of space within a dimension as a linear progression of points where movement through the 4th dimension can only be seen via the changes of 3D space over periods of time. Just like how a Flatlander sees an MRI scan like perspective of 3D geometry without being able to easily imagine how the changes of 2D space in time might look like in the form of 3D geometry, humans are constantly seeing 4D objects pass through 3D space, but are only limited to an MRI scan like perspective that makes it difficult to imagine how the changes in 3D space over periods of time would appear spatially in 4D.

Tesseract.gif

For all we know, there could be 3D drawings of 4D geometry present in everyday life, such as the tesseract above, which is a 4D version of a cube. However, we might not be aware of it even if we are looking straight at it. Just like how Flatlander would perceive a drawing of a cube as two squares joined together or a hexagon with a Y in it and be unable to see the “cube” that a human would see, we might be seeing 3D drawings of 4D geometry everywhere but only have an awareness of its 3D spatial properties, and are unable to see what would clearly appear to be a drawing of a 4D shape to a 4D creature. Looking at the tesseract above, it’s difficult to perceive it as anything other an inner cube that is spinning within a distorting outer cube from our perspective, even though it would be obviously apparent at an animated 2D drawing of a 4D shape we don’t have a word for to a 4D creature.

However, there are ways to read between the lines and transcend seemingly fundamental constraints of Euclidean geometry that might help us understand what a 4D shape might actually look like in a way where we can perceive it as a 4D shape, and see past the lower dimensional plane that it is drawn on, kind of like if a Flatlander was to be able to understand how a drawing of a cube is actually something other than just a hexagon with a Y in it.

What Happens if a Flatlander Takes Psychedelics?

When people describe their psychedelic experiences, they are often described as being “higher dimensional”. Although most people seem to assume that this only is a metaphor for its profound nature, it may actually be true in a literal, mathematical sense as well. In order to be able to more easily describe how this might be the case, we will use an example of how it may appear from a Flatlander’s perspective.

According to the hypothesis presented in Psychedelic Signal Theory by James L. Kent, psychedelics produce their effects on perception by causing a phenomenon in the multisensory cortex (the part of the brain that pieces together multisensory perception) called recurrent excitation. Recurrent excitation is the phenomenon of neurons firing in a frequency that is out of sync with the frequency that is usually present. This creates a feedback effect where perception from past perceptual frames persist into the future’s perceptual frames. The visual aspect of this can be easily understood by even somebody who has never taken psychedelics as the tendency for the brain to cause afterimages to become vividly retained for a longer time than usual without the need to stare at one spot for a long time. The afterimages do not get erased as they normally would, and stack up into the upcoming perceptual frames. This leads to visual effects like trails or tracers, and in higher doses where the afterimages stack up over a longer period of time, the afterimages recursively stack up in a manner that leads to the fractal geometry that psychedelic experiences are well known for.

Since the perceptual input from the past is retained into the future, this means that perception of changes in 3D space extend beyond just the present moment in time can be seen spatially in one’s visual field, and the constraints of only being able to perceive infinitely small points of 4D space are transcended.

In order to understand how something as seemingly insignificant as afterimages can allow for perception of higher dimensional space, think of what would happen if a Flatlander on psychedelics saw a tetrahedron while they are tripping. As the 2D plane that the Flatlander lives on passes through a tetrahedron, the afterimages of the smaller triangles persist in the Flatlander’s vision as the triangle grows. Once the 2D plane reaches the bottom of the tetrahedron, the recursive stacking of afterimages would allow the Flatlander to be able to see a trail of small to big triangles with lines that show the vector of movement through 3D space that would look something like this:

tetrahedron 2.png
[insert better drawing later]

If you consider that the up/down space of the tetrahedron is being drawn from a forward/backward perspective, the triangles getting closer and closer together show how knowing things like how the differences in size within 2D space that is used by the human brain to perceive the differences in distance in 3D space between the middle and the edge of the tetrahedron can be used by a Flatlander to understand how the position in 3D space can be inferred from the 2D drawing. The lines appear due to the point of 2D space where the corners meet forming a visual trail that forms a line along the 3D vector the movement through 3D space (which would normally be perceived as time for a Flatlander), which draws the ridges of the tetrahedron. In order for a Flatlander to be able to see something other than a series of triangles with a Y in it, they would need to understand how 3D spaces can be drawn in 2D, like knowing that things get bigger if they are closer, and smaller if they are further. 

Even if a drawing of a 3D shape in 2D space may look convincingly 3D, whether it is on a computer screen or in the human visual field, it is nonetheless still only 2D. The 3D appearance is only a convincingly persistent illusion.

One of the reasons why drawings of 3D shapes look so convincing to humans is because all of human visual perception is essentially a 2D drawing of 3D space. This give humans an innate ability to subjectively “add” the perception of extra dimensions to lower dimensional projections of higher dimensional shapes, even if the actual higher dimensional shapes are not able to be seen directly. Thus, if one extrapolates the same aspects that allow 3D space to be seen on a 2D input, it is entirely possible to gain an awareness of 4D space by paying attention to specific patterns of changes within 3D space. However, the patterns of changes within 3D that are required to “draw” 4D are difficult to portray in “real life” 3D space due to the limitations of Euclidean geometry. Not only that, but due to the fact that human visual perception is only a 2D drawing of 3D even if one is seeing “real life” 3D space, it’s actually more useful to use drawings that create illusions within 2D space to depict 4D. Since human vision is already 2D, one is not really “going down a dimension” by using a 2D plane to draw projections of higher dimensions. Not only that, but the lack of “real life” 3D space within the 2D plane that is used for the drawings allows some “cheating” of the limitations of Euclidean 3D geometry that need to be transcended to be able to show spatial 4D.

The Dimensionality of Virtual Experiences

One of the limitations of drawings is that they are unable to utilize changes in space over time as a means of depicting spatial changes in higher dimensions, since drawings are static and cannot depict changes in perspective within the illusionary 3D space present in the 2D drawing. For example, let’s compare a static drawing of a cube vs. an animated GIF of a drawing of a cube.

1200px-Necker_cube.svg.png
This may appear unmistakably as a cube for those who are familiar with 3D space, but for a Flatlander, it’s difficult to know exactly where the change in 3D space is precisely occurring among the two diagonally joined squares since it is only drawn from one vantage point in 3D. By incorporating changes in time into the drawing, one can show movement in the illusionary 3D space of the 2D drawing:
giphy.gif

Although it may clearly look like a rotating cube to a human, the Flatlander’s first impression of this animation would be similar to how a human might perceive the animation of the tesseract.

There is an “inside square” that only looks like a perfect square from a head-on perspective. As soon as the shape rotates within left/right space in a manner that leads to changes in the forward/backward space that does not make sense to a Flatlander, the lack of a forward/backward perspective leads to the perception that the inner square becomes distorted in a way where its connection with a distorted outer square can be seen as it “exits” to the right (or left, depending on which square one is focusing on), and the inner square that is outgoing to the right somehow seems to re-integrate itself into a new square that is incoming from the left.

Note how the direction of the rotation can look different depending on which square one is focusing on-  stare at this animation for long enough, and you might find that the rotation randomly changes direction whether one is focusing on the “front” square or the “back” square.

In order to understand why a Flatlander’s perspective of the direction of the rotation can only go one way, we only need to look at the tesseract GIF again:
Tesseract.gif


Just like how the rotating cube features an inside square that only appears as a perfect square from a head-on perspective in 3D, and then “exits” and becomes distorted and somehow feeds itself back in via the outside square into the incoming square, the tesseract likewise features an inner cube that only appears as a perfect cube from a head on perspective in 4D, and then “exits” and does this strange distortion process within the outside cube where it somehow feeds itself back in as the incoming cube. Just like the inside square moves to the right and the outside square moves to the left in the cube GIF, the inside cube moves right and the outside cube moves left during its rotation through left/right space that leads to changes in its 4D spacial positioning.

If one pays attention to the apparent 3D positioning of the corners of the tesseract, it becomes evident that such an object cannot possibly exist in “real life” 3D. The manner in which the corners appear to travel in opposite directions in forward/backward space yet still appear to able to connected via what appears to be an inward direction in forward/backward space is an example of how replacing the spatial dimension of a higher dimensional drawing that is missing from the 2D plane it is drawn on with time, can allow for drawings of 4D geometry that our vision still interprets as being 3D, but since the tangible presence of the Euclidean limitations of one of the spatial dimensions is absent on a 2D plane, aspects of 4D space that would not be able to be modeled in real life 3D can be modelled as an animated 2D drawing of a shape that appears to have spatial properties that are impossible in real life, Euclidean space. Since our visual perception is so highly prone to “adding” a forward/backward dimension to 2D drawings, this allows for the illusion of 3D shapes that are impossible in Euclidean 3D space. 

This is what allows virtual reality to be the best medium for replicating the spatial properties of dimensions higher than 3D. It is due to the combination of several things that allows for VR to uniquely be able to depict higher dimensional spaces that go beyond the limitations of Euclidean 3D space:

- The lack of a tangible forward/backward space that removes the Euclidean limitations of that space

- The ability for human visual perception to “add” a forward/backward space even if it does not tangibly exist

- The ability for VR to depict changes in perspectives over time that create the illusion of 3D within a 2D medium

- The ability for VR to replicate the illusions that the brain uses to perceive forward/backward spaces by incorporating the changes in 2D that correspond to those present in human visual perception, leading to the realistic perception of being able to move through a 3D space

- In particular, the combination of the realistic impression of movement through 3D space that includes forward/backward space but the lack of actual forward/backward space allowing for things that are impossible in real life, like walking all the way around an impossible triangle and having it remain impossible no matter which way you look at it from

Even if a tangible forward/backward dimension is removed in VR, the brain’s processing of visual information will add it in anyway, and the removal of a tangible forward/backward space can be used to show drawings of 4D space within a 2D plane that require the absence of limitations of a tangible forward/backward space that the brain automatically “adds” back in, which results in the perception of spatial phenomena that is impossible in tangible 3D that nonetheless appears to include impossible looking higher dimensional spatial 4D connections within a space that appears realistically 3D.

How Does This Tie Into Psychedelic Experiences?

- Celestina Aurora Madry