Journal of Experimental Psychology

Partial visual feedback of component motions as a function of difficulty of motor control

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This research studied the interrelations of visual perception and movement. Closed-circuit television techniques allowed the joint action of S's hand, control instrument, and operational effects to be visually fed back singly or in various combinations. 2 levels of difficulty of each of the 3 task components responsible for the 3 types of visual feedback were varied independently of feedback in a task where S steered a ball through a maze. Results showed vision of the tool to be most important followed by vision of operational effects and hand-arm movements. No significant difference was found on the task-difficulty variable which may have influenced the absence of a significant interaction between type of visual feedback and movement difficulty. (15 ref.) (PsycINFO Database Record (c) 2006 APA, all rights reserved). © 1965 American Psychological Association.


01 Dec 1965


Journal of Experimental Psychology