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@@ -34,4 +34,8 @@ Key Powers et al point: you can do all of motor control in sensory space!
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What does cerebellum need to handle this?
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## Detailed muscle dynamics
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[[@^MeyerSmithWright82]] synthesize psychophysical literature on speed and accuracy of motor movements, to develop a symmetric impulse control model that specifies the force and duration parameters as curves with an initial acceleration phase for the first half, followed by a symmetric deceleration phase in the second half. Both the force and time parameters of these curves can be controlled by people. There is evidence that ballistic movements are made below around 260 ms, with multiple iterations of visually-corrected movement updates happening after that, time permitting. See also [[@MeyerSmithKornblumEtAl90]].
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