比目鱼肌 H 反射操作性条件反射改变 H 反射募集曲线。
Soleus H-reflex operant conditioning changes the H-reflex recruitment curve.
机构信息
Helen Hayes Hospital, New York State Department of Health, Route 9W, West Haverstraw, New York 10993, USA.
出版信息
Muscle Nerve. 2013 Apr;47(4):539-44. doi: 10.1002/mus.23620. Epub 2012 Dec 21.
Abstract
INTRODUCTION
Operant conditioning can gradually change the human soleus H-reflex. The protocol conditions the reflex near M-wave threshold. In this study we examine its impact on the reflexes at other stimulus strengths.
METHODS
H-reflex recruitment curves were obtained before and after a 24-session exposure to an up-conditioning (HRup) or a down-conditioning (HRdown) protocol and were compared.
RESULTS
In both HRup and HRdown subjects, conditioning affected the entire H-reflex recruitment curve. In 5 of 6 HRup and 3 of 6 HRdown subjects, conditioning elevated (HRup) or depressed (HRdown), respectively, the entire curve. In the other HRup subject or the other 3 HRdown subjects, the curve was shifted to the left or to the right, respectively.
CONCLUSIONS
H-reflex conditioning does not simply change the H-reflex to a stimulus of particular strength; it also changes the H-reflexes to stimuli of different strengths. Thus, it is likely to affect many actions in which this pathway participates.
摘要
简介
操作性条件作用可以逐渐改变人类比目鱼肌 H 反射。该方案在 M 波阈值附近对反射进行条件反射。在这项研究中，我们研究了它对其他刺激强度下反射的影响。
方法
在经历 24 个回合的上条件反射（HRup）或下条件反射（HRdown）方案之前和之后，获得 H 反射募集曲线，并对其进行比较。
结果
在 HRup 和 HRdown 受试者中，条件反射均影响整个 H 反射募集曲线。在 5 例 HRup 和 3 例 HRdown 受试者中，条件反射分别升高（HRup）或降低（HRdown）整个曲线。在另一个 HRup 受试者或其他 3 个 HRdown 受试者中，曲线分别向左或向右移动。
结论
H 反射条件反射并非简单地将 H 反射改变为特定强度的刺激；它还改变了对不同强度刺激的 H 反射。因此，它可能会影响该途径参与的许多动作。
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