LATERAL OLFACTORY TRACT INPUT TO DENTATE GYRUS IS DEPRESSED BY PRIOR NORADRENERGIC ACTIVATION USING NUCLEUS PARAGIGANTOCELLULARIS STIMULATION

被引:9
作者
BABSTOCK, DM [1 ]
HARLEY, CW [1 ]
机构
[1] MEM UNIV NEWFOUNDLAND,DEPT PSYCHOL,ST JOHNS A1B 3X9,NEWFOUNDLAND,CANADA
基金
加拿大自然科学与工程研究理事会;
关键词
LATERAL PERFORANT PATH; NOREPINEPHRINE; POTENTIATION; LOCUS-CERULEUS; MEDIAL PERFORANT PATH;
D O I
10.1016/0006-8993(93)90494-8
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Nucleus paragigantocellularis stimulation potentiates the medial perforant path population spike in the dentate gyrus via beta-receptor activation. In this study, the same paragigantocellularis stimulation preceding lateral olfactory tract pulses depressed the lateral perforant path mediated synaptic potential in dentate gyrus. Depression of the lateral olfactory tract input was blocked by a beta-antagonist. These in vivo results confirm in vitro reports that norepinephrine induces potentiation of medial perforant path input and depression of lateral perforant path input to dentate gyrus.
引用
收藏
页码:149 / 154
页数:6
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