Trial-by-trial dynamics of reward prediction error-associated signals during extinction learning and renewal
نویسندگان
چکیده
منابع مشابه
Learning by trial and error
A person learns by trial and error if he occasionally tries out new strategies, rejecting choices that are erroneous in the sense that they do not lead to higher payoffs. In a game, however, strategies can become erroneous due to a change of behavior by someone else. Such passive errors may also trigger a search for new and better strategies, but the nature of the search is different than when ...
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Although there has been considerable debate about the existence of metarepresentational capacities in non-human animals and their scope in humans, the well-confirmed temporal difference reinforcement learning models of rewardguided decision making have been largely overlooked. This paper argues that the reward prediction error signals which are postulated by temporal difference models and have ...
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As a key part of the brain's reward system, midbrain dopamine neurons are thought to generate signals that reflect errors in the prediction of reward. However, recent evidence suggests that "upstream" brain areas may make important contributions to the generation of prediction error signals. To address this issue, we recorded neural activity in midbrain reticular formation (MRNm) while rats per...
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BACKGROUND Major depressive disorder (MDD) creates debilitating effects on a wide range of cognitive functions, including reinforcement learning (RL). In this study, we sought to assess whether reward processing as such, or alternatively the complex interplay between motivation and reward might potentially account for the abnormal reward-based learning in MDD. METHODS A total of 35 treatment ...
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Anticipation and delivery of rewards improves memory formation, but little effort has been made to disentangle their respective contributions to memory enhancement. Moreover, it has been suggested that the effects of reward on memory are mediated by dopaminergic influences on hippocampal plasticity. Yet, evidence linking memory improvements to actual reward computations reflected in the activit...
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ژورنال
عنوان ژورنال: Progress in Neurobiology
سال: 2021
ISSN: 0301-0082
DOI: 10.1016/j.pneurobio.2020.101901