KINE 3020 Study Guide - Final Guide: Motor System, Interstimulus Interval, Railways Act 1921
14 Dec 2016
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Document Summary
The basis for predicting when the body or an object will arrive at a certain location is formed by taking discrete retinal screenshots of visual array. According to lee & young, a single optic variable provides us with a less complex estimate of time to contact. The optic variable is referred to as tau. The faster an approaching object fills the visual field, the faster the object will contact a particular point in space. A performer would use tau to time their actions simply by determining how quickly size of an approaching object fills the visual field. If performers rely on time-to-contact info to time their actions, they"d be able to adjust their hand movements to accommodate the changing ball size. Action preparation: specific preparation that the motor system makes just prior to initiating the movement. When considered in the context of action preparation, rt is defined as an index of preparation required to produce an action.
