DOPAMINE INCREASE IN THE NUCLEUS-ACCUMBENS OF RATS EXPOSED TO HIGH-PRESSURE

被引:11
作者
ABRAINI, JH [1 ]
ROSTAIN, JC [1 ]
机构
[1] FAC MED NORD,BIOL HAUTES PRESS LAB,CNRS,URA 1330,BLVD PIERRE DRAMARD,F-13326 MARSEILLE 15,FRANCE
关键词
NUCLEUS ACCUMBENS; DOPAMINE; VOLTAMMETRY;
D O I
10.1097/00001756-199105000-00004
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
When human divers and experimental animals are exposed to high pressure, they develop the high pressure neurological syndrome (HPNS) characterized by electroencephalographic changes, sleep and behavioral disturbances. Free-moving rats chronically implanted in the nucleus accumbens with carbon electrodes essentially selective to dopamine (DA) were compressed to 80 bar. Compression was found to lead to a sustained increase in extracellular DA level (+88%), then during the stay and decompression phases, values progressively decreased. These results are discussed in the field of the involvement of the DA meso-limbic pathways in the occurrence of some of the behavioral disturbances of HPNS in rats including hyperlocomotor activity and hoarding behavior.
引用
收藏
页码:233 / 235
页数:3
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