Journal
BIOLOGICAL PSYCHIATRY
Volume 77, Issue 12, Pages 1031-1040Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.biopsych.2015.03.010
Keywords
Cognition; GABA; Gamma oscillations; Inhibition; Prefrontal cortex; Working memory
Categories
Funding
- National Institutes of Health [MH043784, MH103204]
- Pfizer
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Cognitive deficits are a core clinical feature of schizophrenia but respond poorly to available medications. Thus, understanding the neural basis of these deficits is crucial for the development of new therapeutic interventions. The types of cognitive processes affected in schizophrenia are thought to depend on the precisely timed transmission of information in cortical regions via synchronous oscillations at gamma band frequency. Here, we review 1) data from clinical studies suggesting that induction of frontal cortex gamma oscillations during tasks that engage cognitive or complex perceptual functions is attenuated in schizophrenia; 2) findings from basic neuroscience studies highlighting the features of parvalbumin-positive interneurons that are critical for gamma oscillation production; and 3) results from recent postmortem human brain studies providing additional molecular bases for parvalbumin-positive interneuron alterations in prefrontal cortical circuitry in schizophrenia.
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