Computational models of subjective feelings in psychiatry

CH Kao, GW Feng, JK Hur, H Jarvis… - … & Biobehavioral Reviews, 2023 - Elsevier
Research in computational psychiatry is dominated by models of behavior. Subjective
experience during behavioral tasks is not well understood, even though it should be relevant …

Association of neural and emotional impacts of reward prediction errors with major depression

RB Rutledge, M Moutoussis, P Smittenaar… - JAMA …, 2017 - jamanetwork.com
Importance Major depressive disorder (MDD) is associated with deficits in representing
reward prediction errors (RPEs), which are the difference between experienced and …

A computational and neural model of momentary subjective well-being

RB Rutledge, N Skandali, P Dayan… - Proceedings of the …, 2014 - National Acad Sciences
The subjective well-being or happiness of individuals is an important metric for societies.
Although happiness is influenced by life circumstances and population demographics such …

[HTML][HTML] Dissecting the links between reward and loss, decision-making, and self-reported affect using a computational approach

V Neville, P Dayan, ID Gilchrist, ES Paul… - PLOS Computational …, 2021 - journals.plos.org
Links between affective states and risk-taking are often characterised using summary
statistics from serial decision-making tasks. However, our understanding of these links, and …

[HTML][HTML] Elevated effort cost identified by computational modeling as a distinctive feature explaining multiple behaviors in patients with depression

F Vinckier, C Jaffre, C Gauthier, S Smajda… - Biological Psychiatry …, 2022 - Elsevier
Background Motivational deficit is a core clinical manifestation of depression and a strong
predictor of treatment failure. However, the underlying mechanisms, which cannot be …

[HTML][HTML] A neurocomputational account of how inflammation enhances sensitivity to punishments versus rewards

NA Harrison, V Voon, M Cercignani, EA Cooper… - Biological …, 2016 - Elsevier
Background Inflammation rapidly impairs mood and cognition and, when severe, can
appear indistinguishable from major depression. These sickness responses are …

[HTML][HTML] Affective bias through the lens of Signal Detection Theory

SM Locke, OJ Robinson - Computational Psychiatry, 2021 - ncbi.nlm.nih.gov
Affective bias–a propensity to focus on negative information at the expense of positive
information–is a core feature of many mental health problems. However, it can be caused by …

Computational approaches to schizophrenia: a perspective on negative symptoms

L Deserno, A Heinz, F Schlagenhauf - Schizophrenia research, 2017 - Elsevier
Schizophrenia is a heterogeneous spectrum disorder often associated with detrimental
negative symptoms. In recent years, computational approaches to psychiatry have attracted …

[HTML][HTML] Anhedonia and anxiety underlying depressive symptomatology have distinct effects on reward-based decision-making

KM Harlé, D Guo, S Zhang, MP Paulus, AJ Yu - PloS one, 2017 - journals.plos.org
Depressive pathology, which includes both heightened negative affect (eg, anxiety) and
reduced positive affect (eg, anhedonia), is known to be associated with sub-optimal decision …

Erotic cue exposure increases physiological arousal, biases choices toward immediate rewards, and attenuates model‐based reinforcement learning

D Mathar, A Wiebe, D Tuzsus, K Knauth… - …, 2023 - Wiley Online Library
Computational psychiatry focuses on identifying core cognitive processes that appear
altered across distinct psychiatric disorders. Temporal discounting of future rewards and …