ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2026
Dopamine Dynamics in the Nucleus Accumbens Reflect Confidence in Detecting the Occurrence and Nonoccurrence of Visual Signals in Perceptual Decision-Making.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Modulatory effects of α7-nicotinic cholinergic receptors on perceptual sensitivity in a visual signal detection task.Psychopharmacology · 2026Article
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6 authors.
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Abstract
Dopamine (DA) is critically involved in processes such as reward anticipation, attention, and decision-making. The present study examined the temporal dynamics of phasic DA transients in the nucleus accumbens core (NAcC) during a visual decisional task based on signal detection theory, using the fluorescent DA sensor dLight1.3b. During the decision-making phase, DA transients in the NAcC encoded real-time outcome expectancy, apparently reflecting the confidence of male rats in their choices. Reward prediction errors (RPEs) emerged following reward delivery and omission and were amplified under conditions of increased uncertainty, produced by either degrading the visual target or introducing interfering distraction. Moreover, DA transients were elicited on both visual signal and no-signal trials. These findings demonstrate that DA fluctuations in the NAcC reflect the RPE that incorporates confidence and levels of uncertainty, emphasizing an involvement of nucleus accumbens DA in adaptive decision-making.
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