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David A. Lewis

Researcher at University of Pittsburgh

Publications -  617
Citations -  60508

David A. Lewis is an academic researcher from University of Pittsburgh. The author has contributed to research in topics: Prefrontal cortex & Dorsolateral prefrontal cortex. The author has an hindex of 120, co-authored 562 publications receiving 54796 citations. Previous affiliations of David A. Lewis include Scripps Research Institute & Northwestern University.

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Cortical inhibitory neurons and schizophrenia

TL;DR: Convergent findings indicate that a deficiency in signalling through the TrkB neurotrophin receptor leads to reduced GABA synthesis in the parvalbumin-containing subpopulation of inhibitory GABA neurons in the dorsolateral prefrontal cortex of individuals with schizophrenia.
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Decreased dendritic spine density on prefrontal cortical pyramidal neurons in schizophrenia.

TL;DR: This region- and disease-specific decrease in dendritic spine density on dorsolateral prefrontal cortex layer 3 pyramidal cells is consistent with the hypothesis that the number of cortical and/or thalamic excitatory inputs to these neurons is altered in subjects with schizophrenia.
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Schizophrenia as a Disorder of Neurodevelopment

TL;DR: These findings suggest that combinatorial genetic and environmental factors, which disturb a normal developmental course early in life, result in molecular and histogenic responses that cumulatively lead to different developmental trajectories and the clinical phenotype recognized as schizophrenia.
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Cortical parvalbumin interneurons and cognitive dysfunction in schizophrenia

TL;DR: A new model of cortical dysfunction in schizophrenia is suggested in which PVBC inhibition is decreased to compensate for an upstream deficit in pyramidal cell excitation, but at a level insufficient to generate the gamma oscillation power required for high levels of cognitive control.