Regionally selective requirement for D1/D5 dopaminergic neurotransmission in the medial prefrontal cortex in object-in-place associative recognition memory.

Regionally selective requirement for D1/D5 dopaminergic neurotransmission in the medial prefrontal cortex in object-in-place associative recognition memory.
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DOI:
10.1101/lm.036921.114
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发表时间:
2015-02
期刊:
Learning & memory (Cold Spring Harbor, N.Y.)
影响因子:
--
通讯作者:
Warburton EC
Warburton EC
中科院分区:
其他
文献类型:
--
作者:
Savalli G;Bashir ZI;Warburton EC

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原地物体记忆(Object-in-place memory,OiP)是一种记忆物体最后一次出现的位置的关键,它与内侧前额叶皮层、嗅周皮层和海马体有关。在这里,我们研究了多巴胺D1/D5受体神经传递在这些脑区的OiP记忆的作用。在记忆获得前,将D1/D5受体拮抗剂SCH 23390或SKF 83566双侧注入内侧前额叶皮层,延迟5分钟或1小时后,OiP表现受损。回收未受影响。鼻腔内或海马内输注SCH 23390没有影响。这些结果揭示了在OiP记忆编码过程中,D1/D5受体在mPFC中的选择性作用。
Object-in-place (OiP) memory is critical for remembering the location in which an object was last encountered and depends conjointly on the medial prefrontal cortex, perirhinal cortex, and hippocampus. Here we examined the role of dopamine D1/D5 receptor neurotransmission within these brain regions for OiP memory. Bilateral infusion of D1/D5 receptor antagonists SCH23390 or SKF83566 into the medial prefrontal cortex, prior to memory acquisition, impaired OiP performance following a 5 min or 1 h delay. Retrieval was unaffected. Intraperirhinal or intrahippocampal infusions of SCH23390 had no effect. These results reveal a selective role for D1/D5 receptors in the mPFC during OiP memory encoding.
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