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ERIC Number: EJ1035661
Record Type: Journal
Publication Date: 2014-Jul
Pages: 4
Abstractor: As Provided
ISSN: ISSN-1072-0502
Voluntary Exercise Improves Performance of a Discrimination Task through Effects on the Striatal Dopamine System
Eddy, Meghan C.; Stansfield, Katherine J.; Green, John T.
Learning & Memory, v21 n7 p334-337 Jul 2014
We have previously demonstrated that voluntary exercise facilitates discrimination learning in a modified T-maze. There is evidence implicating the dorsolateral striatum (DLS) as the substrate for this task. The present experiments examined whether changes in DLS dopamine receptors might underlie the exercise-associated facilitation. Infusing a D1R antagonist into the DLS prior to discrimination learning facilitated the performance of nonexercising rats but not exercising rats. Infusing a D2R antagonist impaired the performance of exercising rats but not nonexercising rats. Exercise-associated facilitation of this task may rely on an exercise-induced decrease in D1R and increase in D2R activation in the DLS.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A