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Front Psychol. 2015 Nov 26;6:1805. doi: 10.3389/fpsyg.2015.01805. eCollection 2015.

Prefrontal Cortex and Social Cognition in Mouse and Man.

Author information

1
Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York NY, USA ; Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York NY, USA ; Department of Ophthalmology, Icahn School of Medicine at Mount Sinai, New York NY, USA ; Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York NY, USA ; Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York NY, USA.
2
Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York NY, USA ; Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York NY, USA ; Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York NY, USA.

Abstract

Social cognition is a complex process that requires the integration of a wide variety of behaviors, including salience, reward-seeking, motivation, knowledge of self and others, and flexibly adjusting behavior in social groups. Not surprisingly, social cognition represents a sensitive domain commonly disrupted in the pathology of a variety of psychiatric disorders including Autism Spectrum Disorder (ASD) and Schizophrenia (SCZ). Here, we discuss convergent research from animal models to human disease that implicates the prefrontal cortex (PFC) as a key regulator in social cognition, suggesting that disruptions in prefrontal microcircuitry play an essential role in the pathophysiology of psychiatric disorders with shared social deficits. We take a translational perspective of social cognition, and review three key behaviors that are essential to normal social processing in rodents and humans, including social motivation, social recognition, and dominance hierarchy. A shared prefrontal circuitry may underlie these behaviors. Social cognition deficits in animal models of neurodevelopmental disorders like ASD and SCZ have been linked to an altered balance of excitation and inhibition (E/I ratio) within the cortex generally, and PFC specifically. A clear picture of the mechanisms by which altered E/I ratio in the PFC might lead to disruptions of social cognition across a variety of behaviors is not well understood. Future studies should explore how disrupted developmental trajectory of prefrontal microcircuitry could lead to altered E/I balance and subsequent deficits in the social domain.

KEYWORDS:

autism; prefrontal cortex; schizophrenia; social behavior; social cognition

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