Computational models of subjective feelings in psychiatry
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 …
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
Importance Major depressive disorder (MDD) is associated with deficits in representing
reward prediction errors (RPEs), which are the difference between experienced and …
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 …
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 …
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 …
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
Background Inflammation rapidly impairs mood and cognition and, when severe, can
appear indistinguishable from major depression. These sickness responses are …
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 …
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
Schizophrenia is a heterogeneous spectrum disorder often associated with detrimental
negative symptoms. In recent years, computational approaches to psychiatry have attracted …
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
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 …
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 …
altered across distinct psychiatric disorders. Temporal discounting of future rewards and …