Asanuma H, Arissian K
Electroencephalogr Clin Neurophysiol Suppl. 1982;36:415-21.
The possible functional role of sensory inputs in voluntary movements was examined by severing the sensory input pathways to the motor cortex. The somatic sensory cortex and the dorsal column, which are known to be the two major sources of the peripheral inputs to the motor cortex, were ablated or sectioned. The deficit produced by sensory cortex ablation or dorsal column section was not prominent and the function recovered within a week or two as long as the other input was intact, but elimination of both inputs produced severe impairment in movements such as loss of orientation in space and of manipulation of individual fingers. The possible role of the afferent input is discussed and it is proposed that it participates in the smooth pursuit of movement by continuously changing the excitability of cortical efferent zones.
通过切断通往运动皮层的感觉输入通路，研究了感觉输入在随意运动中可能发挥的功能作用。已知躯体感觉皮层和背柱是运动皮层外周输入的两个主要来源，对其进行了切除或切断。只要另一种输入保持完整，感觉皮层切除或背柱切断所产生的缺陷并不明显，功能在一两周内即可恢复，但两种输入都被消除会导致严重的运动障碍，如空间定向和单个手指操作能力丧失。文中讨论了传入输入的可能作用，并提出它通过不断改变皮层传出区的兴奋性来参与运动的平稳追踪。
