Kinesiology 3480A/B Lecture Notes - Lecture 20: Gyrus, Occipital Lobe, Visual Cortex
19 Oct 2016
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Response programming stage: following response selection the action must be translated into appropriate muscular signals to achieve task goals, franklin henry and paul rogers: feedforward control study (1960) Stimulus and response alternative for the movement were held constant. Task: simple finger lifting task to light stimulus. Lift finger from key following stimulus (srt) Lift finger from key and move 33cm to grasp a tennis ball (one grasping movement) Lift finger from key and move 33cm to grasp a tennis ball then move in the opposite direction to grasp a second tennis ball (two grasping movements) Hypothesis: what would happen to reaction time with increased task complexity. Movement sequences are planned one at a time - consecutively. Movement sequences are planned in advance - serially. Results: support hypothesis 2 of feedforward control. Rt increases as a function of task complexity from task 1 to task 3. This increase in rt reflects time necessary to prepare the movement during the response-programming stage.
