Do the Challenges of Autism and Neurodiversity Pose an Objection to the Harmful Dysfunction Analysis? Reply to Denis Forest

Wakefield, Jerome C.

doi:10.7551/mitpress/9949.003.0027

Cited by 1 publication

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“…J. Wakefield, 2021g). In one case (responding to Garson (2021) on mismatch) he actually tweaks his definition of dysfunction to identify the dysfunction as existing in the internal mechanism and under the appropriate (ancestral-like) circumstances: "a dysfunction is the inability of a mechanism to perform its function for internal reasons even under the appropriate circumstances for which it was selected to perform that function."…”

Section: 1/ Criticisms Of Wakefield's 'Dysfunction'mentioning

confidence: 99%

Making Wakefield Workable: The Fitness and Function Framework for Taxonomising Evolutionary Dysfunction

Hunt¹

2023

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Jerome Wakefield’s ‘Harmful Dysfunction Analysis’ (HDA) recognises biological and psychological disorder exists wherever two conditions are met: concurrent harm, a subjective value component, and dysfunction, an objective component related to the interruption of evolutionarily selected effects. This is arguably the leading definition of disorder, and is prominently referenced in evolutionary psychiatry, yet suffers various criticisms. These particularly concern the ‘dysfunction’ component, which is undermined by the indeterminacy of ancestral function and a range of complex counter-examples, particularly relating to mismatch, by-products and extremes of adaptive spectrums. To tackle these criticisms, I provide a definitional framework which allows clear pathways to dysfunction attribution in the cases problematic for Wakefield. The key move here is distinguishing biological objects with fitness, a fundamentally quantifiable variable, from the selective processes of function and dysfunction which lead to that fitness, which rely on qualitative descriptions, and are much harder to exactly specify and demarcate to the level of precision necessary for the HDA. I also note the importance of specifying framing environments and trait descriptions. The resulting framework solves various problems with Wakefield’s account and leads to a taxonomy of different classes of dysfunction. This is unique amongst existing evolutionary taxonomies of disorder by offering strict demarcation, exclusivity and greater theoretical completeness. By relying ultimately on fitness effects rather than descriptions of dysfunctional processes and recognising distinct possible classes of evolutionary dysfunction, a more tractable direction for scientific investigation into any trait’s dysfunctional status is offered, with the potential to make Wakefield’s HDA workable.

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Section: 1/ Criticisms Of Wakefield's 'Dysfunction'mentioning

confidence: 99%

Making Wakefield Workable: The Fitness and Function Framework for Taxonomising Evolutionary Dysfunction

Hunt¹

2023

Preprint

View full text Add to dashboard Cite

show abstract

Do the Challenges of Autism and Neurodiversity Pose an Objection to the Harmful Dysfunction Analysis? Reply to Denis Forest

Cited by 1 publication

References 31 publications

Making Wakefield Workable: The Fitness and Function Framework for Taxonomising Evolutionary Dysfunction

Making Wakefield Workable: The Fitness and Function Framework for Taxonomising Evolutionary Dysfunction

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