Relationships between amygdala and hippocampus determined by after-discharges

J.M. Delgado-García
D. Mir
38

Abstract




fíelatlonships Between Amygdala and Hippo- campus Determinad by After-dlscharges. Rev. esp. Fisiol., 30, 261-268. 1974.


Eílectrical stimulation of the amygdala and the hippocampus has been performed in 35 cats. The following results has been obtained: a) thresholds to produce electrical after-discharges in the amygdaloid nuclei and in the different areas of the hippocam­ pus; ¿) frequency, duration, amplitude and morphology of the after-discharges, showing the specific pattern of each structure; c) the amygdaloid nuclei propagated their own patterns of after-discharges to the hippocampus, while the hippocampus dorsalis and the hippocampus posterioris did not propágate their specific patterns to the amygdala; and d) according to our results an inhibitory role of the amygdala centralis on the hippocampal after-discharges has been proposed.




Keywords:
Amygdala/physiology, Animals, Cats, Electric Stimulation, Electrodes, Female, Hippocampus/physiology, Implanted, Male

Authors

J.M. Delgado-García
D. Mir


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