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Auditory hallucinations, network connectivity, and schizophrenia

Published online by Cambridge University Press:  15 June 2005

Ralph E. Hoffman ,
Maxine Varanko ,
Thomas H. McGlashan  and
Michelle Hampson
Ralph E. Hoffman*
Affiliation:
Department of Psychiatry, Yale University School of Medicine, Yale-New Haven Psychiatric Hospital, New Haven, CT06519
Maxine Varanko*
Affiliation:
Department of Diagnostic Radiology, Yale University School of Medicine, New HavenCT06520-8043
Thomas H. McGlashan*
Affiliation:
Department of Psychiatry, Yale University School of Medicine, Yale-New Haven Psychiatric Hospital, New Haven, CT06519
Michelle Hampson*
Affiliation:
Department of Psychiatry, Yale University School of Medicine, Yale-New Haven Psychiatric Hospital, New Haven, CT06519
*
ralph.hoffman@yale.edu
maxine.varnako@yale.edu
thomas.mcglashan@yale.edu
michelle.hampson@yale.edu
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Abstract:

Multidisciplinary studies indicate that auditory hallucinations may arise from speech perception neurocircuitry without disrupted theory of mind capacities. Computer simulations of excessive pruning in speech perception neural networks provide a model for these hallucinations and demonstrate that connectivity reductions just below a “psychotogenic threshold” enhance information processing. These data suggest a process whereby vulnerability to schizophrenia is maintained in the human population despite reproductive disadvantages of this illness.

Type
Open Peer Commentary
Information
Behavioral and Brain Sciences , Volume 27 , Issue 6 , December 2004 , pp. 860 - 861
Copyright
Copyright © Cambridge University Press 2004

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