Journal
SCHIZOPHRENIA BULLETIN
Volume 33, Issue 5, Pages 1066-1070Publisher
OXFORD UNIV PRESS
DOI: 10.1093/schbul/sbm079
Keywords
social cognition; auditory hallucinations; delusions; social withdrawal
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Funding
- NIMH NIH HHS [R01MH067073, R01 MH073673, R01 MH067073] Funding Source: Medline
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The social brain of humans reflects widespread neural resources dedicated to understanding the conversational language, emotionality, states of mind, and intentions of other persons. A social deafferentation (SDA) hypothesis for induction of active schizophrenia is proposed. Analogous to hallucinations produced by sensory deafferentation, such as phantom limb, the SDA hypothesis assumes that high levels of social withdrawal/isolation in vulnerable individuals prompt social cognition programs to produce spurious social meaning in the form of complex, emotionally compelling hallucinations and delusions representing other persons or agents. Arguments against the SDA hypothesis are discussed, and predictions deriving from the hypothesis are offered.
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