When1: 1958
Who: Richard Held [Held, Richard]
What: psychologist
Where: USA
works\ Adaptation of disarranged hand-eye coordination contingent on reafferent stimulation [1958: with Hein]
Detail: He studied eye-hand coordination. Visual depth perception requires coordinated self-movement, with Alan Hein. Self-produced movements result in sensory stimulation {reafference}. Visual motor skills require reafference, but reflexes do not. Sensory stimulation is independent of self-produced movements {exafference}.
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Date Modified: 2022.0224