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Chapitre D'ouvrage Année : 2023

Functional reasoning in psychiatry

Résumé

Two types of functional reasoning are commonly used in psychiatry. For the first type, a mental disorder is conceptualized as the impairment of a mental function: this type of reasoning is nowadays oriented towards research on neurobiological disorders that are supposed to underlie mental disorders. For the second type of functional reasoning, a function is assigned to a mental disorder—that is, a disorder is considered as a defensive process in a mental or family system—and this function has an etiological role, not only in maintaining the disorder, but also in triggering it. We detail this second type of reasoning that gives a strong explanatory value to the notion of function. We briefly analyse some variations of this explanatory value in the psychoanalytic, cognitive-behavioural and family/systemic models that are among the main conceptual frameworks currently used in psychiatry. Finally, we attempt to clarify certain epistemological consequences of the irreducibility of functional etiological reasoning in psychiatry.
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Dates et versions

hal-04213889 , version 1 (21-09-2023)

Identifiants

Citer

Arnaud Plagnol. Functional reasoning in psychiatry. Gayon, J., de Ricqlès, A., & Dussault, A.C. Functions: From Organisms to Artefacts., Springer; Springer International Publishing, pp.313-323, 2023, History, Philosophy and Theory of the Life Sciences (vol. 32), 978-3-031-31270-0. ⟨10.1007/978-3-031-31271-7_23⟩. ⟨hal-04213889⟩
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