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  • Title: Shuttle behavior in rats after lesion of hippocampal pyramidal cells with kainic acid.
    Author: Turski L, Czuczwar SJ, Turski W, Kleinrok Z.
    Journal: Methods Find Exp Clin Pharmacol; 1981; 3(6):361-6. PubMed ID: 7329160.
    Abstract:
    Rats with bilateral lesions of hippocampal pyramidal cells in the subfield CA 3 with intracerebroventricular kainic acid (0.1 microgram/2 microliter) made more shuttle responses to a buzzer in Pavlovian paradigm, classical conditioning and two-way active avoidance but did not differ remarkably in pseudoconditioning and avoidance conditioning without stimulus pairing, than sham-operated and intact control rats. Animals with unilateral lesion in the CA 3 hippocampal subfield showed no differences in these shuttle situations. The results suggest that CA 3 hippocampal pyramidal cells are of particular importance to the establishment of the stimulus-stimulus relations in the brain.
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