CORTICOTROPIN-RELEASING HORMONE INDUCED SEIZURES IN INFANT RATS ORIGINATE IN THE AMYGDALA

被引:93
作者
BARAM, TZ [1 ]
HIRSCH, E [1 ]
SNEAD, OC [1 ]
SCHULTZ, L [1 ]
机构
[1] UNIV SO CALIF,DEPT NEUROL,LOS ANGELES,CA 90089
关键词
D O I
10.1002/ana.410310505
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
The neuroanatomical substrate of seizures induced by picomolar amounts of corticotropin-releasing hormone in infant rats was investigated. Electrographic and behavioral phenomena were monitored in 42 rat pups aged 5 to 22 days. Rat pups carried bipolar electrodes implanted in subcortical limbic structures, as well as cortical electrodes and intracerebroventricular cannulae. The administration of corticotropin-releasing hormone produced age-specific seizures within minutes, which correlated with rhythmic amygdala discharges. Paroxysmal hippocampal and cortical discharges developed subsequently in some rats. Corticotropin-releasing hormone-induced electrographic and behavioral seizures originate in the amygdala.
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页码:488 / 494
页数:7
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