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Terms in this set (12)
the activity between the intention to produce an action, and the initiation of action. also called motor programming.
Human performance law. Specifying movement time (MT) when the distance and target are known. MT = a plus b log 2 (2d/w)
Quantitative measure of the difficulty of performing a skill. Both speed and accuracy requirements. Common measure for action prep.
2 hand aiming task
both hands will arrive at the target at the same time, even with different IDs.
Human performance law. RT will increase as the # of stimulus-response choice increases. Rt increases linerally as the number of choices increases.
Prep time increases as accuracy demands for a movement increase.
Concentration on Signal involves both MT and RT. Sensory/motor set. Focusing on the sensory set will lead to faster RT.
Maintaining attention and alertness in a performance situation where stimuli occurs infrequently.
Movement Trajectory (Direction prep)
Trajectory the arm or limbs will follow when moving the limbs
setting the amount of force needed. prepared prior to manipulating an object.
Needs to be chosen in advance of movement?
Trajectory, muscles, and force control.
the longer movement prep time is due to a longer planning / programming.
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