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Unformatted text preview: in place-More afferent projections than efferent Information can guide long-duration movements, such as staying in the middle of the lane when driving Information cannot guide rapid movements: not possible to make corrections in movement using feedback because we cannot process it fast enough Short-duration movements: once started cannot be stopped, voluntary movements are preprogrammed Graph slide: First spike = spinal stretch Second spike = long-latency stretch reflex Third spike motions = voluntary movement If keeping arm at 90 degrees, then told not to worry about it falling down if get hit, the long-latency reflex decreases or ceases to exist (shows that reflex is related in intention of task)...
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- Spring '08
- efferent motor neurons, stretch reflex, Intrafusal Fibers, muscle spindle fibers, muscle fibers Injure