{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,8]],"date-time":"2026-09-08T00:32:59Z","timestamp":1788827579509,"version":"build-2803163510"},"reference-count":26,"publisher":"Ubiquity Press, Ltd.","issue":"1","license":[{"start":{"date-parts":[[2024,5,9]],"date-time":"2024-05-09T00:00:00Z","timestamp":1715212800000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100000265","name":"Medical Research Council","doi-asserted-by":"publisher","award":["Grant No. MR\/R020817\/1"],"award-info":[{"award-number":["Grant No. MR\/R020817\/1"]}],"id":[{"id":"10.13039\/501100000265","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["CPSY"],"abstract":"<jats:p>In patients with mood disorders, negative affective biases \u2013 systematically prioritising and interpreting information negatively \u2013 are common. A translational cognitive task testing this bias has shown that depressed patients have a reduced preference for a high reward under ambiguous decision-making conditions. The precise mechanisms underscoring this bias are, however, not yet understood. We therefore developed a set of measures to probe the underlying source of the behavioural bias by testing its relationship to a participant\u2019s reward sensitivity, value sensitivity and reward learning rate. One-hundred-forty-eight participants completed three online behavioural tasks: the original ambiguous-cue decision-making task probing negative affective bias, a probabilistic reward learning task probing reward sensitivity and reward learning rate, and a gambling task probing value sensitivity. We modelled the learning task through a dynamic signal detection theory model and the gambling task through an expectation-maximisation prospect theory model. Reward sensitivity from the probabilistic reward task (\u03b2 = 0.131, p = 0.024) and setting noise from the probabilistic reward task (\u03b2 = \u20130.187, p = 0.028) both predicted the affective bias score in a logistic regression. Increased negative affective bias, at least on this specific task, may therefore be driven in part by a combination of reduced sensitivity to rewards and more variable responses.<\/jats:p>","DOI":"10.5334\/cpsy.102","type":"journal-article","created":{"date-parts":[[2024,5,9]],"date-time":"2024-05-09T10:40:04Z","timestamp":1715251204000},"source":"Crossref","is-referenced-by-count":3,"title":["Reward Sensitivity and Noise Contribute to Negative Affective Bias: A Learning Signal Detection Theory Approach in Decision-Making"],"prefix":"10.5334","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-5517-4865","authenticated-orcid":false,"given":"Isabel K.","family":"L\u00fctkenherm","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1787-3345","authenticated-orcid":false,"given":"Shannon 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