The dopamine agonist bromocriptine differentially affects fronto-striatal functional connectivity during working memory.

The dopamine agonist bromocriptine differentially affects fronto-striatal functional connectivity during working memory.
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DOI:
10.3389/fnhum.2011.00032
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发表时间:
2011
影响因子:
2.9
通讯作者:
D'Esposito M
D'Esposito M
中科院分区:
医学3区
文献类型:
--
作者:
Wallace DL;Vytlacil JJ;Nomura EM;Gibbs SE;D'Esposito M

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We investigated the effect of bromocriptine, a dopamine agonist, on individual differences in behavior as well as frontal–striatal connectivity during a working memory task. After dopaminergic augmentation, frontal–striatal connectivity in low working memory capacity individuals increases, corresponding with behavioral improvement whereas decreases in connectivity in high working memory capacity individuals are associated with poorer behavioral performance. These findings corroborate an inverted U-shape response of dopamine function in behavioral performance and provide insight on the corresponding neural mechanisms.
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