Chemical storms can do the same job but you’d become mad.

Moving on, there could be another cause to his experiences. Option 3: He was psychotic. Psychosis is a state of mind where dopamine, noradrenaline and glutamine (neuroexcitators) are found in greater abundance than usual. Schizophrenia is the most common form of severe psychosis that alters a person's thinking, feeeling, perception and behaviour so significantly that the change in the 'normal' personality is striking. This leads to a brain that is hyperaroused, hyperactive and hyper-imaginative. The latter also implies a brain that is in a heightened state of activity or displaying gamma or high frequency EEG waves. Gamma waves are a form of EEG waves that are known to ‘bind’ different parts of the brain so that there is greater communication between parts of the brain that don’t normally communicate with one another. The link will tell you a lot more about these waves and how Richie Davidson, a scientist with an interest in bridging the mind-spirit-brain conundrum is approaching this issue. The core disintegration in the normally integrated aspects of mental functioning is now increasingly being linked to high frequency gamma waves.