Temperature sensitivity of thin unmyelinated fibers in rat hippocampal cortex - PubMed (original) (raw)
Temperature sensitivity of thin unmyelinated fibers in rat hippocampal cortex
J Berg-Johnsen et al. Brain Res. 1992.
Abstract
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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