Behavioral and Brain Sciences

Short Communication

Evolutionary psychology can ill afford adaptionist and mentalist credulity

Nicholas S. Thompson a1
a1 Department of Psychology and Biology, Clark University, Worcester, MA 01610 http://


The idea that dreams function as fright-simulations rests on the adaptionist notion that anything that has form has function, and psychological argument relies on the mentalist assumption that dream reports are accurate reports of experienced events. Neither assumption seems adequately supported by the evidence presented.