AN INTERNAL MODEL FOR SENSORIMOTOR INTEGRATION

被引:2329
作者
WOLPERT, DM [1 ]
GHAHRAMANI, Z [1 ]
JORDAN, MI [1 ]
机构
[1] MIT, DEPT BRAIN & COGNIT SCI, CAMBRIDGE, MA 02139 USA
关键词
D O I
10.1126/science.7569931
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
On the basis of computational studies it has been proposed that the central nervous system internally simulates the dynamic behavior of the motor system in planning, control, acid learning; the existence and use of such an internal model is still under debate. A sensorimotor integration task was investigated in which participants estimated the location of one of their hands at the end of movements made in the dark and under externally imposed forces. The temporal propagation of errors in this task was analyzed within the theoretical framework of optimal state estimation. These results provide direct support for the existence of an internal model.
引用
收藏
页码:1880 / 1882
页数:3
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