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The essence of it seems to have been mentioned in the article - the neurons have to be "recharged" between firings, so what we may be experiencing is a slide show between rechargings, sight and sound showing some lack of sync because of the difference in input between speed of light and speed of sound (?), and apparent subjective experiences can be due to adrenalin influence. Schizophrenics might have a neurotransmitter problem which leaves the scrambling for integration.