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Research papers on Dopamine, reward and motivation

Recent and highly-cited academic work on dopamine, reward and motivation, gathered from Semantic Scholar, CrossRef and OpenAlex.

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  14. Dopamine promotes instrumental motivation, but reduces reward-related vigour

    John P Grogan, Timothy R Sandhu, Michele T Hu, et al. · 2020 · eLife · 32 citations

    We can be motivated when reward depends on performance, or merely by the prospect of a guaranteed reward. Performance-dependent (contingent) reward is instrumental, relying on an internal action-outcome model, whereas motivation by guaranteed reward may minimise opportunity cost in reward-rich environments. Competing theories propose that each type of motivation should be dependent on dopaminergic activity. We contrasted these two types of motivation with a rewarded saccade task, in patients with Parkinson’s disease (PD). When PD patients were ON dopamine, they had greater response vigour (peak saccadic velocity residuals) for contingent

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  19. An overview of reward prediction error and its links with dopamine

    Tianxiang Yao · 2024 · Theoretical and Natural Science · 1 citations

    Reward prediction error (RPE) refers to the discrepancy between expected and actual rewards received during an event, signaling the difference between what was predicted and what actually happened. Dopaminergic neuron encodes RPE signals in the brain, and is responsible for updating reward expectations and influencing decision-making processes. The relationship between RPE and dopamine has led to research in understanding reward-driven learning and its implications on cognition and behavior. In this review, I will provide an overview of the principles, and task models used to quantify RPE. I will also discuss about the neural mechanisms underlying RPE generation, with a particular focus on t

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