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  Increasing dopamine levels in the brain improves feedback-based procedural learning in healthy participants: An artificial-grammar-learning experiment

De Vries, M., Ulte, C., Zwitserlood, P., Szymanski, B., & Knecht, S. (2010). Increasing dopamine levels in the brain improves feedback-based procedural learning in healthy participants: An artificial-grammar-learning experiment. Neuropsychologia, 48, 3193-3197. doi:10.1016/j.neuropsychologia.2010.06.024.

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De Vries, Meinou1, 2, Autor           
Ulte, Catrin3, Autor
Zwitserlood, Pienie4, Autor
Szymanski, Barbara3, Autor
Knecht, Stefan3, 5, Autor
Affiliations:
1Neurobiology of Language Group, MPI for Psycholinguistics, Max Planck Society, ou_102880              
2Department of Psychology and Education, VU University Amsterdam, The Netherlands, ou_persistent22              
3Department of Neurology, University of Münster, Germany, ou_persistent22              
4Department of Psychology, University of Münster, Germany, ou_persistent22              
5Neurocenter, Schön Klinik Hamburg-Eilbek, Germany, ou_persistent22              

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 Zusammenfassung: Recently, an increasing number of studies have suggested a role for the basal ganglia and related dopamine inputs in procedural learning, specifically when learning occurs through trial-by-trial feedback (Shohamy, Myers, Kalanithi, & Gluck. (2008). Basal ganglia and dopamine contributions to probabilistic category learning. Neuroscience and Biobehavioral Reviews, 32, 219–236). A necessary relationship has however only been demonstrated in patient studies. In the present study, we show for the first time that increasing dopamine levels in the brain improves the gradual acquisition of complex information in healthy participants. We implemented two artificial-grammar-learning tasks, one with and one without performance feedback. Learning was improved after levodopa intake for the feedback-based learning task only, suggesting that dopamine plays a specific role in trial-by-trial feedback-based learning. This provides promising directions for future studies on dopaminergic modulation of cognitive functioning.

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Sprache(n): eng - English
 Datum: 20102010
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
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 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1016/j.neuropsychologia.2010.06.024
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Titel: Neuropsychologia
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Oxford : Pergamon
Seiten: - Band / Heft: 48 Artikelnummer: - Start- / Endseite: 3193 - 3197 Identifikator: Anderer: 954925428258
ISSN: 0028-3932
CoNE: https://pure.mpg.de/cone/journals/resource/954925428258