Neuroactivation and Neuroimaging with SPET

Recent explorations in the neurosciences have been progressing towards an understanding of the relationship between brain struc­ ture and brain function. Having passed through an era which may be described as one of a localisationist philosophy, in which discrete brain areas were seen to subserve only discrete functions, the perspective of brain-behaviour relationships has advanced in recent years to an appreciation that a more holistic approach is not only heuristically valid, but is also most