期刊
EUROPEAN JOURNAL OF NEUROSCIENCE
卷 13, 期 5, 页码 1051-1054出版社
WILEY
DOI: 10.1046/j.0953-816x.2001.01471.x
关键词
context; foot shock; microdialysis; pseudoconditioning; stress
We used bilateral microdialysis in the medial prefrontal cortex (PFC) of awake, freely moving rats to study aversive conditioning to an auditory cue in the controlled environment of the Skinner box. The presentation of the explicit conditioned stimuli (CS), previously associated with foot shocks, caused increased dopamine (DA) and noradrenaline (NA) efflux. This conditioned response was dependent on the immediate pairing of the two stimuli; in the pseudoconditioned group that received an equal number of both stimuli, but in an unpaired fashion, no conditioned increases in efflux were observed.
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