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ISSN : 1226-9654

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Effects of Inferior Olive Lesions on the Conditioning of Nictitating Membrane Response

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
1989, v.1, pp.34-39
Young-Hwa Yun (Korea University)
Hyeon-Taek Kim (Korea University)
Jung-Soo Han (Korea University)
Yun, Y., Kim, H., & Han, J. (1989). Effects of Inferior Olive Lesions on the Conditioning of Nictitating Membrane Response. The Korean Journal of Cognitive and Biological Psychology, 1, 34-39.

Abstract

It has been demonstrated that the cerebellum is a critically important structure for the conditioning of nictitating membrane response(NMR). The aim of the experiment was to determine whether inferior olive is part of a neural circuit which provides unconditioned stimlus(US) information to the cerebellum during NMR conditioning. Rabbits were lesioned on the inferior olive after they were conditioned using tone as conditioned stimulus(CS) and periorbital shock as US. And then 2-week of recovery period was followed by retraining period. Lesions of the rostro-medial portions of the inferior olive(rmIO) abolished the conditioning and prevented subsequent acquisition on either side. The lesion had no effect on the performance of the unconditioned response. Lesions of the lateral portions to and those of dorsal portions above the rmIO did not impair NMR conditioning. The results suggest rmIO is an essential part for the NMR conditioning.

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Submission Date
1989-10-15
Revised Date
1989-10-29
Accepted Date

The Korean Journal of Cognitive and Biological Psychology

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