期刊
ENEURO
卷 2, 期 1, 页码 -出版社
SOC NEUROSCIENCE
DOI: 10.1523/ENEURO.0046-14.2015
关键词
amygdala; emotion; memory; perirhinal; plasticity; transmission
资金
- Medical Research Council
Visual recognition memory relies on long-term depression-like mechanisms within the perirhinal cortex and the activation of the lateral amygdala can enhance visual recognition memory. How the lateral amygdala regulates recognition memory is not known, but synaptic plasticity at amygdala-perirhinal synapses may provide amechanism for the emotional enhancement of recognition memory. In this study, we investigate the mechanisms of long-term depression (LTD) at the amygdala-perirhinal synapse in male Lister Hooded rats. We demonstrate that LTD at this input relies on NR2A-containing NMDARs, located presynaptically. Therefore, the underlying mechanisms of LTD, at the amygdala-perirhinal input, which may regulate the emotional context for recognition memory, are different to previously described postsynaptic NR2B-NMDAR mechanisms of intraperirhinal LTD that subserve recognition memory.
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