Comparative Study
[The pre- and postsynaptic mechanisms of the involvement of the serotonin of the amygdaloid body in the reproduction of the conditioned passive avoidance reaction in rats]
[Article in
Russian]
Affiliations
- PMID: 9700910
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Comparative Study
[The pre- and postsynaptic mechanisms of the involvement of the serotonin of the amygdaloid body in the reproduction of the conditioned passive avoidance reaction in rats]
[Article in
Russian]
Zh Vyssh Nerv Deiat Im I P Pavlova.
1998 May-Jun.
Abstract
Serotonin (5-HT) and 5-hydroxyindoleacetic acid (5-HIAA) content, MAO activity, and [3H]-5-HT specific binding were examined in rat amygdala at different stages of one-trial passive avoidance training. Serotonergic changes were revealed only at the stage of the avoidance recall. The [3H]-5-HT specific binding was decreased, MAO activity was increased and accompanied by enhanced 5-HIAA transport from serotonergic terminals. No changes were revealed in 5-HT content. It is suggested that the retrieval processes in passive avoidance learning are mediated by serotonergic system of the amygdala.
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