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Question
There appear to be two mental lexicons, one in each hemisphere.
Answer
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Studies of de-afferentation and its effect on movement control in humans and other species demonstrate that a. movement depends on internal mental representations of the consequences of motor commands. b. movement depends on the availability of intact sensory feedback from effectors. c. movement is controlled by information from sensory receptors rather than muscles. d. movement is controlled differently in humans than in other primate species.
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