The relationship of perceptual discrimination to neural mechanisms of fear generalization.
NeuroImage(2019)
摘要
The generalization of conditioned fear responses has been shown to decrease as a function of perceptual similarity. However, generalization may also extend beyond the perceptual discrimination threshold, ostensibly due to contributions from processes other than perception. Currently the neural mechanisms that mediate perceptual and non-perceptual aspects of fear generalization are unclear.
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关键词
Fear conditioning,Fear generalization,fMRI,Galvanic skin conductance,Insula,Visual perception,Face discrimination
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