The ‘Mechanism’ of Human Cognitive Variation

Commentary on Crespi & Badcock’s “Psychosis and autism as diametrical disorders of the social brain”

Matthew K Belmonte

Behavioral and Brain Sciences 31(3):263-264 (June 2008).

ABSTRACT

The theory of psychosis and autism as diametrical disorders offers a tractable and testable view of normal and abnormal human cognitive variation as a function of opposing traits grouped by their selection for maternal and paternal reproductive fitness. The theory could be usefully rooted and developed with reference to the lower-level perceptual and attentional phenomena from which social cognitive modules are developmentally refined.

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