Voluntary eyelid contraction modifies the blink reflex recovery cycle
Voluntary eyelid contraction modifies the blink reflex recovery cycle
复制标题
眼睑自主收缩改变眨眼反射恢复周期
DOI：
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发表时间：
1998
影响因子：
3.5
通讯作者：
A. Ferbert
中科院分区：
文献类型：
--
作者：
Martin Sommer;G. Wöbker;A. Ferbert
为了确定在何种程度上的眨眼反射的恢复周期被修改的眼睑的自主收缩，我们调查了电引起的眨眼反射与成对的刺激强度相同的9名健康受试者。我们伪随机管理两个刺激间隔（150毫秒和250毫秒）在三个不同的条件下自愿收缩的眼轮匝肌（放松，轻度眼睑关闭和强大的眼睑关闭）。我们的研究结果表明，抑制的R2反应后，第二个刺激显着减少与自愿收缩。此外，我们发现，更大的幅度和更短的潜伏期的R1和R2与自愿收缩。我们的结论是，在健康受试者中，自愿眼睑收缩导致促进或抑制解除，不仅在第七脑神经的核，但也在R2的多突触通路。对临床数据的解释可能产生的影响进行了讨论。
In order to determine the extent to which the recovery cycle of the blink reflex is modified by voluntary contraction of the eyelids we investigated the electrically elicited blink reflex with paired stimuli of identical intensity in 9 healthy subjects. We pseudorandomly administered two interstimulus intervals (150 ms and 250 ms) in three different conditions of voluntary contraction of the orbicularis oculi muscle (relaxed, mild lid closure and strong lid closure). Our results show that inhibition of the R2 response following the second stimulus is significantly reduced with voluntary contraction. In addition, we found significantly larger amplitudes and shorter latencies of R1 and R2 with voluntary contraction. We conclude that in healthy subjects, voluntary eyelid contraction causes facilitation or disinhibition not only in the nuclei of the seventh cranial nerve, but also in the polysynaptic pathway of the R2. The possible implications on the interpretation of clinical data are discussed.
通过刺激预期促进和抑制人类惊跳反射。
影响因子：
1.9
作者：
Ison,JR;Sanes,JN;Foss,JA;Pinckney,LA
通讯作者：
Pinckney,LA