Abstract
Neuronal activity of the anterior cingulate (AC) region of the rabbit cerebral cortex was recorded during differential conditioning and reversal of a behavioral avoidance response. Discriminative neuronal activity, in the form of a greater neuronal response to CS+ relative to CS—, occurred in the intermediate and final sessions of original conditioning. The latency of this effect was 85 msec. A large neuronal discrimination effect appropriate to original conditioning occurred in the first session of reversal training, at 85 msec, and at briefer latencies (e.g., 15 msec). Neuronal discrimination did not occur in pretraining with noncontingent presentations of the stimuli to be used for conditioning. No consistent discrimination appropriate to the reversal problem was observed.
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This research was supported by NIMH Grant MH 26276-01 and by grants from the Spencer Foundation, the Biomedical Sciences Committee, and the University Research Institute.
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Gabriel, M., Saltwick, S.E. & Miller, J.D. Unit activity of anterior cingulate cortex in differential conditioning and reversal. Bull. Psychon. Soc. 9, 207–210 (1977). https://doi.org/10.3758/BF03336976
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DOI: https://doi.org/10.3758/BF03336976