Dream Time

Daniel Dennett is quite annoying. His view of consciousness is completely absurd, for example. I’m not going to defend my position here because this isn’t exactly what this post is about.

In case you don’t know, Daniel Dennett is a major analytical philosopher, the English-speaking tradition of philosophy dating from the late nineteenth century CE with the rejection of Hegelian idealism, continuing today and apparently also including Polish philosophers for some reason. Bertrand Russell is a good example. It was once described in ‘Radical Philosophy’ like this: a Heideggerian says something like “Die Welt weltet”, and analytic philosophy comes along and says “Where is this Welt, and when exactly did it start welting?”. It is actually mainly my own background and I have a lot of respect for it, partly because I think postmodernism is a good way of making excuses for how things are politically and socially without coming up with a solution to them, and that comes out of the continental tradition. I’d also distinguish analytic philosophy from other viable philosophical approaches taken by anglophones such as that of William Blake, who is unsurprisingly an outsider and apparently linked to the Muggletonians, about whom I know very little. Sarada is the expert on Blake, but for what it’s worth I think of him as an English Romantic. I don’t know if that’s fair.

Recently, Dennett was involved in a movement referred to as the “Brights”, whose aim was to further metaphysical naturalism. Metaphysical naturalism is often treated as if it’s synonymous with atheism, but in fact it’s a specialised form of atheism which is radically different, for instance, from Marxist atheism and the South Asian Samkhya and Carvaka. I had a conversation with a White bloke the other day who was atheist because of karma, a view also found in South Asian thought. The basic idea there is that because karma is a universal law governing the working of the Universe, there’s no need to suppose that God exists. Although I’m theist, I do find this interesting on an intellectual level, mainly because it’s so unlike metaphysical naturalism but still strongly atheist. Metaphysical naturalism is the idea that only natural forces and laws operate in the Universe, i.e. there is no supernatural realm and therefore no God or other deities. Obviously I don’t agree with this, but that isn’t why I find Dennett annoying.

The Brights were founded by Dennett and Dawkins, among other people whose names don’t come to mind right now. Other metaphysically naturalistic atheists, such as Christopher Hitchens, have criticised the name as appearing to imply intellectual superiority. It reminds me a bit of the stereotypical Mensa attitude. To be fair, I’m not sure this was the intention so much as an attempt to come up with a positive-sounding name. Brights use the word “super” to describe people such as myself who have supernatural and/or mystical elements as part of our view. This actually makes me sound like Wonder Woman or something, so it’s okay really. Nonetheless, the Brights believe themselves to be right and us to be wrong. It isn’t an unusual position to see oneself as correct by contrast with others whose opinions differ, so that is also fine.

One of Dennett’s more bizarre positions is that lucid dreams are not experiences. This strikes me as a kind of ideological commitment resulting from it being a logical conclusion of his other views about consciousness. However, it’s also an elaboration of another, simpler position of his with which I actually do agree, in a sense: that dreams are not experiences in general. I do differ with this view but also think it captures something significant about the nature of consciousness, particularly wakefulness. Looking at them from a position of being awake, it seems to me that dreaming could well represent the wakeful consciousness attempting to make sense of the “junk” present in one’s mind on waking. There are some reasons why this may not be true, but others which are hard to reconcile with it not being so. For instance, someone I know once dreamt that she, note the tense in this phrase, has to cry three tears to save a toad’s life, and I could hear her trying to do this several minutes before she woke up. On the other hand, I was once dreaming while the radio was on and the sequence of events on the radio is time-reversed in my dream. The dream ends with something happening on the radio which in waking experience happened before something which starts the dream, which can be explained if dreams are false memories created during REM sleep.

The idea that lucid dreams are not experiences is kind of arse-about-face. It’s a conclusion Dennett is forced into due to his expressed view of consciousness which is counter-intuitive to me, and I’d think to most other people. There is an odd phenomenon in consciousness where immediately prior events are “re-written” by memory. For instance, MP3 files when played back often have periods of silence in them before loud notes which the listener doesn’t notice because they’re eclipsed by the slightly later event. Dennett uses a similar illusion called the “phi phenomenon” where lights of two colours flashed in succession leads to the perception that a single light is moving back and forth and changing colour. He offers two explanations for this, which he calls “Orwellian” and “Stalinesque”. In the Orwellian hypothesis, like Winston’s experience with the fingers (or Picard’s experience with the lights in ‘Star Trek’, which is a direct steal), perception is revised after the fact of being experienced. Stalinesquely, the forthcoming experience is revised before reaching consciousness like a show trial whose verdict is pre-decided. These two versions of what happens don’t require any difference in the model of what’s going on in the brain. The only difference is in when the perception becomes an object of consciousness. The claim is then that the reason there is no difference between the two is that this account of consciousness as emerging at a certain point is an error based on the legacy of misunderstanding consciousness as Cartesian – that is, that living humans consist of two substances, the soul and the body, whereof the former is conscious and dimensionless and the latter occupies space and is not conscious, with the two interacting, according to Descartes within the pineal gland. Dennett believes that we are still too attached to this kind of account, although we don’t literally believe it any more, and that consciousness is not a special, circumscribed state, has no subject of experience (I have sympathy with this bit) and is actually the flow of information from place to place.

Applying this to non-lucid dreaming, information flow would occur on waking. With lucid dreaming, we only have illusory choice and experiencing in the moment according to this account, which also applies as far as Dennett is concerned to waking life. Dreaming and lucid dreaming are primarily useful illustrations of his general theory here rather than objects of study themselves.

Obviously I think he’s wrong. He also casts doubt on the existence of qualia, which are the essential qualities of experience whose existence cannot rationally be doubted. Qualia, put another way, are what people refer to when they say things like “your red might be my blue”, which captures the notion well but doesn’t actually work in detail because of the network of experiences and how they relate to one another. It’s important to decide what are and aren’t qualia, because once one declares something as a quale it’s placed beyond question and that restricts possible arguments. For instance, Nkechi Amare Diallo could claim that her Black identity is a quale, at which point White people identifying as Black suddenly becomes sanctified in some realm beyond criticism. I actually do think the mental perception of the possibility of becoming pregnant is a good example of a quale which is not intuitively so, because it sometimes leads to radical departures of opinion regarding the ethics of reproductive choice, and that does in fact correspond to “no uterus, no opinion” as the position is sometimes rather crudely expressed. However, the existence of quale cannot be doubted, and if someone is led into the position where they can make such a claim, it comes across to me as a weird ideological commitment to an untenable position rather than something which can be attached to an account of consciousness.

From wakeful experience, we tend to perceive dreaming as something which occurs while we’re asleep, and individual dreams as prospects which occur in the future of our wakefulness before we fall asleep and in the past of our wakefulness when we have woken up. With closer examination, we might conclude that dreams are not experiences but attempts by a wakeful mind to make sense of the clutter present in our minds when we awake. Although I think this is incorrect, it does work well as an illustration that the chronology of dreams is not what we might assume. Lucid dreaming is said to be encouraged by always recounting dreams in the present tense. This is somewhat confused by the fact that not all languages have a present tense, and this raises a further question: are there languages which have a way of expressing dream time?

Before I answer this question, I want to outline my understanding of states of consciousness. I believe it makes sense to say there are six states of consciousness: wakefulness, dreaming, dreamless sleep, hypnosis, meditation and Ganzfeld. There’s also a very strong tendency to prioritise wakefulness above the others, to the extent that it’s seen as the only realistic state of consciousness and the state which dictates the nature of time. Dream logic is not seen as proper logic. A friend of mine recently observed, interestingly, that although I had recently dreamt about the King, that didn’t mean there wouldn’t still be Queen dreams. My own attitude towards states of consciousness is rather different. I believe that several or all of those states are of equal, or perhaps incommensurate, status. The list I’ve just made was from a wakeful state. It’s equally possible to dream of a completely different list. I’m not convinced that hypnosis is a valid state of consciousness but I do believe it’s neither dreaming nor dreamless sleep. There are “state” and “non-state” views on hypnosis. The state view is that a hypnotised subject has entered an altered, more suggestible state of consciousness, which is supported by their alleged inability, in some cases, to recall the events which took place during it. The non-state version is that hypnosis is a form of role-play in a kind of theatrical setting, which doesn’t just apply to stage hypnotism but also the likes of hypnotherapy. That idea is not supposed to contradict its efficacy as a therapy, incidentally. Ganzfeld is the other state which could do with a bit of explanation. This can be introduced by relaxation and sensory deprivation although it also occurs at one’s bidding, perhaps with a bit of practice. It may not may not be a healthy state.

Insofar as each of these is a valid state of consciousness, none has priority over any others. Each has unique features. As I’m mainly contrasting dreaming and wakefulness here, taking them equally seriously, the wakeful mind can have a view of dreaming that is either the detritus of dormancy or a sequence of experiences which occur between successive experiences of wakefulness, but this is only the view of the waking mind and is no more valid than that of dreaming. There is still a relationship between dreaming experiences and the senses, for instance because a cold night might be associated with dreaming of the Arctic or because some experience one had the previous day influences the dream. From the perspective of dreaming, wakeful consciousness influences one’s experience but there are oddities about its temporality because with dreams of any length, it can often be difficult to locate a moment when the dream begins and, as I’ve said before, some of my dreams involve things like “having always sat on the roof”, i.e. my dream is of climbing out of a bedroom window onto the roof just like I always have for years. From a dreaming perspective, whatever waking life makes of them, dreaming consciousness is very different in terms of the passage of time and even if it turns out that dreams are squished-up false memories of stuff happening immediately before waking from a daytime perspective, this has no more or less validity than whatever the dreaming mind thinks of wakefulness.

Given all that, this is the question I am mainly interested in answering here: how do we refer to dream time? English uses the present tense to refer to “tenseless” things, such as saying that “one plus one is/equals two”. We don’t usually say “one plus one used to equal two” or “one plus one will be two next Thursday” unless we’re trying to make some kind of rhetorical point about eternal verities. I have said in the past, from a waking perspective anyway, that the events of dreams should be referred to in the aorist. This is in fact a somewhat inaccurate way of describing what I’m doing when I seem to use the present tense.

The word “aorist” originates from the Ancient Greek “ἀόριστος”, which breaks down as “ἀ-” – not – and “όριστος” – definite. In other words, “indefinite”, “undefined” and also simple – the unadorned, plain form of the verb. In English, we might identify this with the simple present indicative except that in English this usually puts an S, an “-eth” or “-est” on the end, so it isn’t usually unadorned. As an ahistorical, perhaps an aorist, word, it seems to work quite well as a way of describing events which do not occur in the waking passage of time, but in fact the Ancient Greek usage is to refer to the past. It’s used as a narrative tense, so it does make sense if dreams are retold as stories to use the aorist, but in certain circumstances can also refer to the present or future. It’s also worth mentioning that there is aspect as well as tense involved here. Aspect is how the action described by a verb occurs over time, i.e. whether it’s a one-time short term event, a repeated action or a continuous one. For instance, “I rowed” and “I sowed” might involve grabbing the oars just once and sculling briefly and putting a single seed in the ground, or they might refer to rowing across a river or walking across a field broadcasting a full bowl of seed. English seems to have lost the ability to distinguish easily between these, but many other languages actually focus more on that element of time than on tense. Hence aspect is still relevant to dreaming as experience, or perceived experience but tense may be misleading.

Sanskrit also has an aorist, which is relevant because it happens to be used to discuss consciousness a lot. In fact I almost used the word “samadhi” to describe what I called “meditation” just now. There are two aorists in Sanskrit, one which is simply preterite indicative, like our own simple past, and an injunctive mood, which is also found in Homeric Greek, which could be used as an imperative or subjunctive, usually for prohibitions in later Sanskrit.

Hence the problem is that although there is something out there called the aorist, which is not in any case present in English, it actually tends to express the past although it technically needn’t and the literal meaning of the word “aorist” is not perfectly reflected in the actual meaning of the word. From the perspective of wakefulness, I would want to express dreaming experience as occurring in a kind of abstract time. Imagine a three-dimensional line graph. The space within that graph could be said to be located in a particular place in the sense that it might be on the page of a book or a computer display, but there need be no region of the Universe consisting of a graph, which can in principle be visited. Time and space in dreaming are virtual. Events can be located relative to each other temporally only within the dream, but need to be referred to outside of it, but referring to them in the past tense doesn’t do them justice.

Calling this post “Dream Time” makes it sound like a reference to the idea Australian Aboriginals are said by Western anthropologists to have about the primordial state of the world, but as usual it’s important to examine this critically. If it turns out that the kind of wakeful consciousness we have today in the West is highly contingent, maybe our lives are surrounded temporally by a sleep, not in the sense of absence of consciousness but as a different kind of consciousness. I know very little about this and feel it would be culturally insensitive to say too much about it, as well as inappropriate for the cultural and environmental milieu I live in, but the term itself suggests to me an entirely valid concept of a kind of timeless eternity out of which our wakefulness condenses. I have no idea whether this is what anthropologists mean by it or whether it even exists in any Australian Aboriginal culture, but it does make sense although it might give dreaming unwarranted priority. At this point I could of course read what Wikipedia says about it and pretend I know what I’m talking about, but that doesn’t do it justice.

Behind all this while I’ve been writing is awareness of a particular form of dementia called Lewy Body. This is associated with Parkinsonism, and involves the mixing of dreaming and wakefulness. Although it would seem insensitive to regard this as anything other than a pathological state, it is interesting that this occurs towards the end of waking life. We tend to think of dreaming and wakefulness as sharply differentiated, although when I had B12 deficiency early signs of my psychosis there was some such mixture. Prisoner’s cinema, Charles Bonnet Syndrome, phantosmia and possibly some forms of tinnitus and hearing voices also seem to have things in common with this. Prisoner’s cinema is more like Ganzfeld, and in fact it leads me to wonder whether states of consciousness are to each other like different gears on a car, with Ganzfeld intermediate between dreaming and wakefulness.

People have been known to enter a state of meditation as a prelude to their death. More often, the state of mind immediately before death as monitored by instruments resembles dreamless sleep and this continues immediately after death, with a sudden flash of activity a few minutes later. Once again, it may be inappropriate to refer to these phenomena temporally, as any subjectivity may not experience them in this manner.

This post, I hope, will make a good companion to tomorrow’s, written on International Yoga Day.

States Of Consciousness

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This was almost about near-death experiences (NDEs), and may still go on to include them, but primarily the task I’ve set myself today is to describe states of consciousness and their possible relationship with reality. This has been of interest to me since soon after I started meditating, which must have been over forty years ago, and my thoughts on the matter are not necessarily particularly up to date because I’ve thought about them in a fairly piecemeal manner. This may in fact be the first time I’ve actually expressed myself clearly on the matter.

Okay, so there are maybe about seven clearly separated states of consciousness which may blur into each other. These are: wakefulness, REM sleep, NREM sleep, samadhi (meditation trance), dreaming, hypnosis and Ganzfeld. Of these, hypnosis may not exist, something which I’ll cover later. Ganzfeld probably needs some explanation. The Ganzfeld Effect is what happens when one is deprived of sensory stimulation, as in a floatation tank or with special blindfolds in an anechoic chamber, and involves the projection of hallucinations into one’s subjective space. As such, it seems to resemble Charles Bonnet Syndrome. More on that later. Each of these is characterised by particular brainwave patterns. There are also intermediate states such as sleep paralysis, lucid dreaming, false awakening, near-death experiences and dementia with Lewy bodies. My own experience of B12 deficiency suggests that it can be quite similar to the dementia, and schizophrenia and delirium might also belong there. Therefore, a bit like the gender landscape, it might make more sense to think of consciousness as a plain with peaks representing the different states.

Most of the time I’m focussed on the distinction

Most of the time I’m focussed on the distinction between dreaming and wakefulness. I try to avoid prioritising one of these states over the other, because I think that phenomenologically both are equally valid and represent different relationships with reality. I also talk about dreaming in the present tense, although this is substantially because I don’t think English has a tense which can refer to dreaming accurately. Dreams are timeless in the same way as numbers and abstract concepts are, so if there’s a language with a way of expressing verbs timelessly, so that for instance the “is” in “two plus two equals four” is not in the present tense, I’d be using that method. It’s also supposed to make lucid dreaming more likely if one does this. I mentioned yesterday that Dennett has the view that dreams are not experiences but false memories. That is, on awakening one has a particular brain state which the waking mind interprets as consisting of apparent past experiences which occurred after falling asleep. But it’s the waking state that perceives it this way. Because dreaming and waking are equal, this fact, being a product of wakeful consciousness, is no more valid than dreaming experience.

Years on the Halfbakery ideas bank, have convinced me that ideas are discovered rather than invented, and that discovery and invention are the same thing. Hence at some point in the distant past people discovered the wheel. This makes sense, for example, when one thinks of Charles Fort’s idea of “steam engine time”. There is apple blossom or cherry blossom time, when all the trees of a certain species come into blossom at once even if they’re thousands of kilometres apart. Similarly, at least three civilisations have independently developed the steam engine because it was the right season for doing so. The various pieces of the jigsaw fell into place and the shape of the gap remaining became apparent. Likewise people come up with remarkably similar novels without apparent connections, such as possibly ‘The Time Traveler’s Wife’ and ‘Slaughterhouse Five’ or ‘The Hermes Fall’ and ‘Lucifer’s Hammer’. Likewise, dreams are “out there” waiting to be had, perhaps only by one particular individual. Hence they don’t happen on a particular night but one wakes up having discovered a dream which was always, and will always be, there, though more strictly outside spacetime, wherever numbers and steam engines dwell before we open a conduit to them and our world. Somewhere sub specie æternitatis, Everyperson is having tea with the Queen. The reason lucid dreaming, conscious control of dreaming, is important is that it amounts to Heaven, whereas nightmares amount to Hell.

I don’t want to make this post entirely about dreaming, although I have more carefully developed ideas about that state than others. That said, there are supposed to be tests for dreaming, one of which I try in a recently remembered dream. I took a shard of mirror and looked at myself through it, and not only was part of my face clearly reflected in it but it moved appropriately when I held the shard at different angles. This detail has caused me to doubt that the tests are reliable, and it also amazes me that my brain is able to produce an image that realistic, although I’ve successfully done that in Ganzfeld.

I will say just one more thing about dreaming and wakefulness. There are mixed states where both are involved. For instance, when I had B12 deficiency I began to enter a psychotic state involving phantosmia and anosmia. I constantly hallucinated the odour of peppermint and sometimes confused dreams and wakefulness when I first woke up in the mornings. Objects and people in my dreams appeared in the room I was sleeping in (which was the living room incidentally, but that’s another story). This is similar to dementia with Lewy bodies, where older people cease to distinguish clearly between dreaming and waking life. Bearing in mind that these people’s lives are approaching their end, it raises questions about near-death experiences. Finally there’s Charles Bonnet Syndrome, where deteriorating vision leads to patterns or even detailed scenery involving people and places. This is similar to the phantom limb phenomenon in my opinion, and also to tinnitus and hearing voices in some ways. All of these are somewhat dreamlike.

They’re also similar to Ganzfeld. This is a state of consciousness which results from uniform sensory stimulation or the lack of stimulation entirely, and is sometimes sought by people in floatation tanks and anechoic chambers, as mentioned above. The brain amplifies neural noise and turns it into complex visual impressions, I would imagine very similar to Charles Bonnet Syndrome. It can also be done using white noise, which I’ve tried myself and found I could hear music in it after about half an hour. It also constitutes a second way into lucid dreaming, so I’m told, because apparently if you lie still in bed in a cold dark room for at least half an hour you will begin to have these impressions. I don’t know how easy other people find lying still, or lying still without falling asleep, and I know that I’m supposed to be genetically predisposed to moving around a lot during sleep and to having restless legs, so it’s unlikely that I will find a way in this way. There is a Tibetan Buddhist practice known as mun mtshams (I cannot currently write this in Tibetan script but it might be མུནཚམྶ​), involving shutting oneself away in the dark alone as practice for dealing with བར་དོ and realising  འཇའ་ལུས་, thereby, I presume, avoiding reincarnation. This is rather reminiscent of the use of lucid dreaming for a similar end.

And that brings me to samadhi, समाधी. I should point out at this point that my own opinions and experience of समाधी seem to be different from what other people say about it. This is the meditative state of Raja Yoga, and I expect Sarada will have things to say about this. My understanding of how to enter this state is that it tends to be easier in certain asanas, such as Padmasana of course but also others such as Sukhasana, then one practices Pratyahara, the withdrawal of the senses, followed by focussing on a mantra or other object of thought and grasping its essence, then removing that essence entirely, leaving consciousness in a non-intentional state. I’m told that this is not what Samadhi is, and that the Christian understanding that this is in fact the nature of Samadhi is a major reason for seeing Yoga as Satanic. The fact, phenomenologically speaking, that for me it’s a state of consciousness without an object of consciousness has made me sceptical about Brentano’s analysis of mental states, where he insists that they are a number of things I do agree with, including incorrigibility (cannot be doubted) and having a number of other properties including “aboutness”, which is in fact generally considered the most important quality of mental states. This is what’s rather unhelpfully referred to as Intentionality (with a capital I, constrasted with “intentionality”) and may or may not be the same as intensionality with an S, which is to do with meaning and contrasted with extensionality. Presumably Pratyahara could also be used to enter Ganzfeld if one was so inclined. I understand that other people use the word samadhi to refer to a consciousness of unity with the object of meditation or even the Cosmos or God, and I’ve experienced that too but tend to perceive it as pathological, for me anyway. It’s unwelcome and seems unhealthy to me. In Buddhism, this state of consciousness is the last element of the Noble Eightfold Path. I can’t really do justice to all of this here, partly because I’m using words but also due to wanting to describe other states of consciousness. Because I try to balance the value of different states, the idea that this is a higher state is hard to come to terms with, but its role within dharmic spirituality has always been prized. The reason many Christians disapprove of it is that they believe an empty mind, which is how they see this, invites Satan or evil spirits in. It’s probably worth mentioning at this point that I don’t respond to psilocybin, the only psychedelic I’ve taken, so this may reflect my atttitude towards samadhi.

Hypnosis may or may not be a state of consciousness. My own view is that it’s stateless and a form of role-play, although that has a function as serious as many others in spirituality and other aspects of life. I’m also suspicious of hypnosis being misused because I think many symptoms are there for a reason and removing them outside the context of hypnotherapy would be likely to lead to the underlying cause being manifested in a different and unpredictable way. Interestingly, Sarada thinks exactly the same thing about lucid dreaming. Having said that, I do believe hypnotherapists are usually professional and take pains doesn’t happen. I used to practice hypnosis for fun when I was about twelve, quite successfully, but that was probably reckless and irresponsible, and I’ve also done self-hypnosis. An early non-state definition of hypnosis was offered in 1941 by R. W. White: “Hypnotic behaviour is meaningful, goal-directed striving, its most general goal being to behave like a hypnotised person as this is continuously defined by the operator and understood by the client”. That said, there are changes in brainwave activity in some hypnotised individuals, and the question of how it causes amnesia occurs to me.

The seventh state, which I have yet to discuss, is NREM sleep, also known as dreamless or orthodox sleep. This is in some ways the odd one out, as it seems to involve the absence of consciousness. There is no paralysis and the parasympathetic (P for Peace) nervous system is dominant during it. The EEG shows theta waves and sleep spindles, which are rapid bursts of electrical activity building to a crescendo and then declining. Theta waves occur at four to eight times a second. Delta waves are prominent. There are also K-complexes, which are the highest voltage physiological spikes of electrical activity in the human brain. I have more of these than most people because they’re associated with restless legs syndrome, but have no idea what their significance is. It doesn’t seem possible to describe NREM sleep phenomenologically because it seems to lack phenomenology entirely, but since I’m panpsychist this is either a challenge to my beliefs or means I must assert that consciousness is there, just as it is everywhere else, but in a similar way to how it would inhere in an organism with nothing analogous to a nervous system. To be honest I don’t know what to do with NREM.

On the subject of brainwaves, it’s probably worthwhile describing this kind of activity with respect to the other states. Dreaming is closer to wakefulness than NREM in this respect, hence its other name, paradoxical sleep. Theta and gamma activity is widepread and the brain stem seems to initiate activity in this state, suggesting to some that dreaming is an attempt by the conscious mind to make sense of vegetative neural processes in the absence of sensory stimulation of other kinds, which makes sense because so many dreams involve frustration and paralysis of some description. In meditation, alpha and theta waves are more active, and with habitual meditation it used to be thought there were permanent changes but recent findings have not shown this to be so. However, habitual meditators’ brains do age more slowly with respect to memory. The possibly related mindfulness is said to have a number of disadvantages, including over-exertion, ignoring intuition, exacerbating anxiety and triggering depersonalisation. It isn’t clear to me how close mindfulness and samadhi are to each other though.

Hypnosis shows more active alpha waves, but these are often used in imaginative states so it may not indicate that it’s a separate state of consciousness.

Another possible approach to consciousness is to see them as phases like those of matter, which can perhaps be shown on a graph. This has been done, for example, with meditation. Denis Postle has attempted to model the different states of consciousness on the butterfly catastrophe graph, which has four axes. Unfortunately I can only remember arousal and relaxation. Catastrophe theory has gone out of fashion nowadays because although it’s valid, there are few situations which can be reduced to only a few significant parameters. Whether that’s true of consciousness I don’t know. Even so, the idea of there being some kind of space or hyperspace with regions corresponding to different states of consciousness seems to be a good one.

There are also other states of consciousness which we may potentially have but don’t experience in everyday life. For instance, there is a case of a hiker who fell off a path in a remote area and was found alive long after he could be expected to have succumbed to exposure, and it’s thought that he may have entered an obscure state of hibernation. There is one known species of primate who does hibernate, the fat-tailed dwarf lemur. It is of course much more common in other mammals, but for humans this state could be useful for long haul space travel, so if we were ever going to do that, and we aren’t of course, it would be worthwhile looking into. Speaking of space travel, the question of out of body experiences as a separate state of consciousness arises. Is astral travel a distinct state or is it more like dreaming or Ganzfeld? Then there are NDEs. Soon after the heart stops, the brain enters a state whose electrical activity resembles that of NREM sleep, followed by a final burst of sudden activity as the neurones cease to be able to compensate for their increasingly hostile environment and lose their polarisation. That could also be a separate state of consciousness in its own right.

To conclude then, I haven’t really done this subject justice in the limited time and attention span available, but one final thought does occur. Is it right for me not to prioritise any state of consciousness over any other? Most people would probably say samadhi is a higher state than the others, but on the other hand Tibetan Buddhism appears to employ Ganzfeld as such a state, and there are also trance-like ecstatic states used in other forms of spirituality which might correspond more to hypnosis, if that is indeed a state. Whatever is the best way to arrange these, it certainly seems worthwhile to consider their relationships with each other and also with reality. I feel I’ve done this quite thoroughly with dreaming and wakefulness, but not the rest, and it definitely seems like a valuable exercise.

What do you think?