Drawing on his practice as a psychiatrist, the author approaches madness as an emergent phenomenon and as an event. The beginning of psychosis is held to result from a subjective permeability, which belongs itself to an ecology of the mind seen as a moving being. As an emergent phenomenon, psychosis shows two characteristics which the paper analyses in terms of disturbances in the interaction...
Sensory impressions, like emotions and feelings, are qualia if anything is. A spectre haunts the philosopher of perceptual qualia, the possibility of the inverted spectrum. Might I seem to see something red where you seem to see something green, although I behave just the way you do, although we are both looking at something that is green, in optimal circumstances? An analogous possibility...