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    Dopamine Regulation of Fear Processing and Social Motivation: Implication for Common Psychiatric Comorbidities

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    Authors
    Lee, Jason ChiaTse
    Issue Date
    8/3/2017
    URI
    http://hdl.handle.net/10675.2/621520
    
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    Abstract
    Psychiatric disorders such as post-traumatic disorders and schizophrenia often present with common comorbidities such as increased depression, anxiety, and decreased social motivations. However, the underlying neural circuit that may account for occurrence of multiple psychiatric comorbidities remained unidentified. The dopamine system has been known to play prominent roles regulating emotional states and motivations. We therefore hypothesized that alteration in the dopamine system may lead to comorbidities such as negative mood and social isolation commonly observed in many psychiatric disorders. In this thesis work, we first examined how the dopamine system processes known triggers of psychiatric disorders, such as fear-charged stimuli. We then examined how the dopamine system regulates normal social interactions as well as how an altered dopamine system affects social interactions
    Affiliation
    Brain and Behavior Discovery Institute
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    Theses and Dissertations
    Brain & Behavior Discovery Institute Theses and Dissertations

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