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Task reliability considerations in computational psychiatry

Hedge, Craig, Bompas, Aline and Sumner, Petroc 2020. Task reliability considerations in computational psychiatry. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging 10.1016/j.bpsc.2020.05.004
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Measuring psychological abilities or traits is trickier than it seems from the published literatures ( 1 ). We try to study abstract psychological constructs like ‘inhibition’ or ‘impulsivity’, but we can only measure these indirectly through behaviours such as reaction times or self-report ratings. When we apply these measures in clinical and individual differences research, our goal is typically to understand why a patient group appear to be (e.g.) more ‘impulsive’ than healthy controls, or to use measures of ‘inhibition’ to predict a clinical outcome. There are many potential pitfalls and wrong turns in the path towards achieving this goal. In our recent work, we have shown that our intuitions about what makes a good cognitive task can sometimes lead us astray ( 2 , 3 ). Here, we discuss how these issues intersect with the goals of computational psychiatry.

Item Type: Article
Date Type: Published Online
Status: In Press
Schools: Psychology
ISSN: 2451-9022
Date of First Compliant Deposit: 22 May 2020
Date of Acceptance: 13 May 2020
Last Modified: 30 Jun 2020 14:59

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