CA3 NMDA receptors are required for the rapid formation of a salient contextual representation.
CA3 NMDA receptors are required for the rapid formation of a salient contextual representation.
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DOI:
10.1002/hipo.20684
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发表时间:
2009-12
期刊:
影响因子:
3.5
通讯作者:
Tonegawa, Susumu
中科院分区:
文献类型:
--
作者:
McHugh, Thomas J.;Tonegawa, Susumu
The acquisition of Pavlovian fear learning engages the hippocampus when the conditioned stimuli are multimodal or temporally isolated from the unconditioned stimuli. By subjecting CA3-NR1 KO mice to conditioning protocols that incorporate time-dependent components we found that the loss of plasticity at recurrent CA3 synapses resulted in a deficits in contextual conditioning specifically when the exposure to the context was brief or when the US was signaled with a competing, predictive unimodal stimulus. Our results suggest CA3 contributes both speed and salience to contextual processing and support the theory of competition between multimodal and unimodal conditioned stimuli for associative learning.
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影响因子:
56.9
作者:
Nakashiba, Toshiaki;Young, Jennie Z.;Tonegawa, Susumu
通讯作者:
Tonegawa, Susumu
影响因子:
5.3
作者:
Rajji, T;Chapman, D;Greene, R
通讯作者:
Greene, R
DOI:
10.3758/bf03209784
发表时间:
1981-01-01
期刊:
ANIMAL LEARNING & BEHAVIOR
影响因子:
--
作者:
MARLIN, NA
通讯作者:
MARLIN, NA
影响因子:
1.9
作者:
YOUNG, SL;BOHENEK, DL;FANSELOW, MS
通讯作者:
FANSELOW, MS
影响因子:
56.9
作者:
KIM, JJ;FANSELOW, MS
通讯作者:
FANSELOW, MS