“But what of the idea that the self is not a unified being, and there may exist within us several realms of consciousness? . . . From our [split-brain] studies the new idea emerges that there are literally several selves, and they do not necessarily ‘converse’ with each other internally.”

Much of our capacity to ‘use’ the world depends, not on an attempt to open ourselves as much as possible to apprehending whatever it is that exists apart from ourselves, but instead on apprehending whatever I have brought into being for myself, my representation of it. This is the remit of the left hemisphere, and would appear to require a selectiv

Two things emerge from all these studies. The adult brain is a highly specialized device that responds specifically to specific kinds of stimulation. Particular parts of the brain, even individual cells, are designed to respond to information from the outside world in particular ways, sending that information off to other parts of the brain. In tha