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Prove? No. This is just hypothesis.

I believe an eeg could provide some interesting information: measuring activity during cognitive tasks or under the influence of hallucinogenic or dissociative drugs.

If anyone can direct me to, or provide information on, acquiring a low-cost, clinical grade eeg machine capable of measuring cerebellar activity I would be very appreciative.

I was encouraged upon encountering this document:

Metastability, Criticality and Phase Transitions in brain and its Models - Werner, MD Gerhard (2006)

I don't understand and don't have the capacity to critically analyse this next study but it appears to describe similar processes to the ones I have been thinking about:

Fractal and Chaotic Dynamics in Nervous Systems - Chris C. King,
(1991), Progress in Neurobiology 36 279-308.

I have used the terms "chaotic phase transitions" and "criticality" because they are excellent decriptions for fuzzy ideas I've been trying to develop to understand this. I don't really know if they are accurate or apt....they are simply better (and analogous to my own) paradigms.

The crux of my idea is that internal synchronisation of different functional areas increased but synchronisation between inter-connected regions decreased until coherent integration between different functional neural networks became impossible.

This was vaguely informed by my, apparent, atypical neurology:

• The cerebellar tumour, its location and my understanding of current theories for cerebellar function combined with attempts to map the functional connectivity of the damaged regions of my cerebellum and correlate this with self-observations. (It is still not established, by appeals to insitutional authority, that I have cerebellar cognitive affective disorder. My neurosurgeon had never heard of it then aggressively denied it was possible for the cerebellum to have any cognitive or emotional function.)
  
  
• There is evidence that autism may involve increased connectivity within the cerebral cortex but decrased connectivity to other functional regions. (it is still not established that I have autism)
  
  So, I really, don't have anything, certainly not the "appeal to authority" that the whole world, confusingly, seems to prefer to critical analysis. I'm not academically educated, all I have are my scans, my observations and the internet.
  
  I'd be equally happy to disprove this theory, or inform and modify it in some way. I'm really just trying to learn and understand. I'm fascinated by this stuff and although the subjective experience is generally unpleasant the knowledge, for me, is paramount.
  
  I'd also be very happy for information, critique or even complete analytical annihalation of my theory.....that'd be much better than expending energy on understanding or supporting a fundamentally flawed theory.
  
  edit: spelling.
  
  edit2: I feel my experience supports the Dynamic Core Hypothesis and Edelman's fantastic Neural Darwinism theory. I'm ashamed I didn't make the "neural darwinism" connection earlier, I love Edelman!
  
  edit3: Wow, Thankyou. Your question answered a lot of my questions, haha. I realise much of my thinking has been informed by reading this masterpiece, many years ago.

Matthew Hurley addresses this in Inside Jokes with an Incongruity Resolution model

This is your brain on music

or this

Musician here, I hear music all the time. Post your thoughts when you're done reading the book