Psychotic Disorders
Schizophrenia
Schizotypal personality disorder:
3.1B-C (By-prod. Sociab. Dis.)
Schizophrenia:
2.1B-D (Environ. Dysreg. Dis.)
A Disorder of Spacing? Stevens & Price (2000) describe schizophrenia as a "spacing" disorder. They argue that the genetic tendency towards schizophrenia evolved in the context of rapid group splitting, group elimination, externally medicated sexual selection, facilitated and contributed to the evolution of language. They suggest that the schizotypal genotype is an adaptation whose function is to facilitate group splitting, achieved by the formation of a subgroup (or ...
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