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Chapter Eight - Substance misuse and social cognition on the psychosis-spectrum: A bottom-up framework
Book chapter   Peer reviewed

Chapter Eight - Substance misuse and social cognition on the psychosis-spectrum: A bottom-up framework

Jacob J Crouse, Daniel S Quintana and Daniel F Hermens
Social Cognition in Psychosis, pp.201-217
Academic Press
2019
DOI: https://doi.org/10.1016/B978-0-12-815315-4.00008-2
Appears in  Thompson Institute Research Collection
url
https://doi.org/10.1016/B978-0-12-815315-4.00008-2View
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Abstract

Cannabis bottom-up preattentional sensory processing social cognition amphetamines ketamine alcohol psychosis Other Collaborations Thompson Institute Special Collection
The relationship between substance misuse and psychosis is markedly complex, with negative impacts of substance use on physical health, behavior, psychiatric symptoms, and brain function. Few studies have focussed on the direct links between substance misuse and social cognitive functioning in psychosis. However, substance use may affect social cognition through multiple indirect paths, for instance, through early sensory processing (e.g., mismatch negativity) and autonomic nervous system regulation (e.g., heart rate variability (HRV)). These indirect paths may represent "low level" effects which may lead to upstream disruptions to social cognitive processes. Here, we first summarize the literature reporting direct associations between substance misuse and social cognition in psychosis, and then address potential indirect links between substance use and social cognition involving preattentional sensory processing and HRV. We conclude with a bottom-up framework linking these factors and suggest avenues for future investigation.

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