Author

Dimitrios K. Avramidis

Concordia UniversityORCID 0009-0003-6589-0243Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Neuroscience· 2

Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Organism:rat· 1

Frequent Co-Authors

Alexandra A Usypchuk· 1 shared Amanda C. LeeiD· 1 shared Aryan Khoshnevis· 1 shared Catharine A. WinstanleyiD· 1 shared Chloe S. ChernoffiD· 1 shared Etienne J. P. MaesiD· 1 shared Geoffrey M. SchoenbaumiD· 1 shared Guillem R. EsberiD· 1 shared

Activity by Year

2025-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 20 mutual co-author links

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1 shared paperNeuroscience

Alexandra A Usypchuk

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2 papers

Recent·Most cited

NeurosciencebioRxivPreprintJul 4, 2026

Chemogenetic inhibition of the noradrenergic locus coeruleus promotes the development of risk-taking decisional strategies and selectively enhances motor impulsivity in females

Chloe S. Chernoff, Tristan J. Hynes, Dimitrios K. Avramidis…·Catharine A. Winstanley

This study shows that inhibiting LC-NA neurons accelerates risk-taking decision strategies and enhances motor impulsivity in female rats during a gambling task.

DOI 10.64898/2026.07.02.736138

ratexperimental assay

𝕏 PostBluesky

NeuroscienceCurrent BiologyPeer-reviewedJul 29, 2025

Rewarding Value or Prediction Error: Settling the debate over the role of dopamine in reward learning

Alexandra A Usypchuk, Etienne J. P. Maes, Megan Lozzi…·Mihaela D Iordanova

This study uses computational modeling and optogenetics to show that dopamine neuron stimulation promotes learning, supporting the prediction error hypothesis over the rewarding value hypothesis.

5 citations

experimental assay

𝕏 PostBluesky