?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Intraspecific+Exploitative+Mimicry+in+Humans&rft.creator=Hagen%2C+Edward+H.&rft.subject=Evolution&rft.subject=Sociobiology&rft.subject=Clinical+Psychology&rft.subject=Evolutionary+Psychology&rft.subject=Social+Psychology&rft.description=Non-bizarre+psychotic+delusions+are+hypothesized+to+be+psychological+adaptations+which+evolved+to+mitigate+the+dangerous+consequences+of+social+exclusion+and+ostracism.+When+we+lived+in+small%2C+kin-based+groups%2C+delusions+would+have+functioned+to+combat+social+exclusion+by+closely+mimicking+conditions%2C+such+as+external+threats+or+illness%2C+where+fellow+group+members+were+likely+to+cooperate+and+provide+assistance.+If+delusions+are+adaptations+to+social+exclusion%2C+then+they+should+onset+when+an+individual+faces+a+serious+social+threat%2C+they+should+function+(in+ancestral+type+environments)+to+prevent+exclusion-at+least+in+the+short+term-and+they+should+cease+when+the+social+threat+ceases%2C+an+hypothesis+which+is+examined+in+the+context+of+numerous+published+studies+of+Delusional+Disorder+(DD).&rft.date=1995&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=text%2Fhtml&rft.identifier=http%3A%2F%2Fcogprints.org%2F756%2F1%2Fdd.html&rft.identifier=++Hagen%2C+Edward+H.++(1995)+Intraspecific+Exploitative+Mimicry+in+Humans.++%5BPreprint%5D++++(Unpublished)++&rft.relation=http%3A%2F%2Fcogprints.org%2F756%2F