Abstract and Keywords
The main objective in this chapter is to examine the role of judgments of rationality in the current understanding of psychiatric disorders. To what extent are the criteria for classification and diagnosis independent of judgments of rationality? The typical symptoms of many psychiatric disorders are described as instances of epistemic, procedural, or emotional irrationality, and references to such forms of irrationality are frequently made in the current classificatory and diagnostic criteria for schizophrenia, dementia, depression, and personality disorders. That said, the chapter defend the view that irrationality is neither necessary nor sufficient for a behavior to be characterized as symptomatic of a psychiatric disorder.
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