Knowledge of the effect of performance frequency on activation of motor areas in positron emission tomography (PET) studies is crucial to the interpretation of experiments in which performance is a variable. We studied this effect in six normal right-handed volunteers using H2(15)O PET to measure regional cerebral blood flow (rCBF). Subjects were scanned at rest and while executing joystick movements with the right hand in freely chosen directions at different frequencies. Significant frequen...Expand abstract
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The effect of movement frequency on cerebral activation: a positron emission tomography study.
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