| Number | 305 |
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| Year | 1980 |
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| Drawer | 6 |
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| Entry Date | 06/10/1999 |
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| Authors | Kelso, J. A. S., Holt, K. G., & Flatt, A. E. |
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| Publication | Perception & Psychophysics, 28, 45-52. |
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| Abstract | The theoretical role of proprioception in the perception and control of human movement is elusive because of the obvious inability to manipulate experimentally the various receptive systems. Individuals who have had the metacarpophalangeal joint and joint capsule removed and replaced with silastic inserts afford a unique opportunity to evaluate a principal source of proprioception, namely, slowly adapting joint afferents. In two experiments with 13 joint-replacement patients, Ss showed no deficits in finger localization following joint replacement. This and other complementary findings are taken as a preliminary basis for proposing a dynamic rather than kinematic account of movement production. A reconceptualization of the function of proprioceptive information in the CNS is presented. The arguments focus on proprioceptive inputs as tuning or modulating interneuronal pools rather than providing dimension-specific information to the brain. |
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