TEMPERATURE SENSITIVITY OF THIN UNMYELINATED FIBERS IN RAT HIPPOCAMPAL CORTEX

被引：15

作者：

BERGJOHNSEN, J

LANGMOEN, IA

机构：

[1] ULLEVAL HOSP,INST EXPTL MED RES,N-0407 OSLO 4,NORWAY

[2] NATL HOSP NORWAY,RIKSHOSP,DEPT NEUROSURG,OSLO 1,NORWAY

来源：

BRAIN RESEARCH | 1992年 / 576卷 / 02期

关键词：

BRAIN SLICE; HIPPOCAMPUS; NERVE FIBER; UNMYELINATED; TEMPERATURE;

D O I：

10.1016/0006-8993(92)90696-7

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

The effect of changes in temperature on the activity of thin intracortical unmyelinated fibers was investigated in rat hippocampal slices. The amplitude of the presynaptic volley was increased by 40% when the temperature was raised from 23-degrees-C to 30-degrees-C, whereas the area of the presynaptic volley was reduced. Increasing the temperature above 30-degrees-C was without further effect on the amplitude. The conduction velocity was 0.3 m.s-1 at 35-degrees-C and 0.1 m.s-1 at 12-degrees-C. The Q10 of velocity (25-degrees-C-35-degrees-C) was 1.6.

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收藏

页码：319 / 321

页数：3

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