[新生儿睡眠期间脊髓运动神经元反射兴奋性的变化及环境温度升高]
[Changes in the reflex excitability of spinal motor neurons in newborn infants during sleep and increases in environmental temperature].
作者信息
Antonova T G, Kamenetskaia A G
出版信息
Zh Vyssh Nerv Deiat Im I P Pavlova. 1978 Jan-Feb;28(1):129-35.
Reflex excitability of the spinal motor centres was studied in newborns by the monosynaptic testing (H-reflex) method during the rise of air temperature in the cunette up to 32 degrees and 34 degrees as compared to the control data obtained at 30 degrees C. It was shown that at temperatures of 32 degrees and 34 degrees C the reflex excitability of spinal motoneurones is lower than in the control. A narrowing of the range and a weakening of the stimuli were recorded at which the H-reflex could be elicited. The possible ways are discussed in which the surrounding temperature affects reflex excitability of the spinal motor centres.
通过单突触测试（H反射）方法，在将小室中的空气温度升至32摄氏度和34摄氏度时，研究了新生儿脊髓运动中枢的反射兴奋性，并与在30摄氏度时获得的对照数据进行比较。结果表明，在32摄氏度和34摄氏度时，脊髓运动神经元的反射兴奋性低于对照组。记录到可引出H反射的刺激范围变窄和强度减弱。讨论了周围温度影响脊髓运动中枢反射兴奋性的可能途径。
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