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Neil Herring

and Robert Wilkins

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date: 27 January 2022

Psychiatry is the medical specialty devoted to the study, diagnosis and treatment of mental disorders. Although it has a basis in neurology, biochemistry and pharmacology, it also spans the divide to include psychology and sociology. An appreciation of how the major psychiatric illnesses manifest and the current pathophysiological theories behind them aid understanding of how they are diagnosed and subsequently treated. The chapter focuses on schizophrenia, affective disorders drugs of abuse and pharmacology as being key areas relevant to the practicing clinician.

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