SPATIAL MEMORY;
RADIAL ARM MAZE;
HIPPOCAMPUS;
STRESS;
TIANEPTINE;
PHENYTOIN;
D O I:
10.1016/0006-8993(94)91778-7
中图分类号:
Q189 [神经科学];
学科分类号:
071006 ;
摘要:
Restraint stress, 6 h/day for 21 days, caused an impairment, during acquisition, of the performance of a spatial memory task, the eight-arm radial maze. The impairment was reversible, temporally limited and blocked by phenytoin, a blocker of excitatory amino acid action, or tianeptine, an antidepressant, which lowers extracellular serotonin. These effects on behavior parallel the reversible stress-induced atrophy of dendrites of hippocampal CA3 neurons that are also blocked by the drugs.