Central and Peripheral Mechanisms in Motor Control (original) (raw)

Motor Control, 1976

Abstract

Publisher Summary This chapter discusses the central and peripheral mechanisms in motor control. To coordinate movement, an appropriate set of muscles must be activated in proper temporal relationship to others and an appropriate amount of inhibition has to be delivered to each of the muscles that will oppose the demanded motor act. Historically, two major theoretical attempts have been made to handle these basic requirements, one peripheral in nature and the other stressing central factors. Peripheral control theory clearly recognized the value of sensory information in movement. Coordinated motor output was considered as built up from smaller, discrete phases of movement, linked together by “chain reflexes” with sensory feedback from each phase reflexly initiating each subsequent phase. Central control theory, on the other hand, claimed that feedback from the movement was unnecessary for the elaboration of motor output. Within the realm of motor behavior, the role of feedback is primarily considered in terms of peripheral information from the various modalities providing the substrate for the detection and correction of movement errors.

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