KNES 251 Study Guide - Midterm Guide: Nerve Conduction Velocity, Sciatic Nerve, Chronic Traumatic Encephalopathy

• School: University of Calgary
• Department: Kinesiology
• Course: KNES 251
• Professor: Joan Vickers

Document Summary

2 -reaction time (rt) neural/perceptual/cognitive time from onset of stimulus to the first observable action (perceptual cognitive delay or latency prior to all movements, time needed to plan and initiate the movement in the brain) 3 - movement time (mt) from beginning of an observable movement to the end of the response (time to push key) 4 - total response time = rt + mt = trt. Electrodes pick up signals from activated muscles - muscles begin to fire prior to observable action motor recruitment. Emg is not measured or reported in most psychology/neuroscience studies. Mt is often not measured most research tasks require simple motor responses (press key) Mt is usually very brief and similar from trial to trial. Since mt is a constant it is reported within the rt duration. Mt is measured when it is a critical component of study. Speed of responses: visual > touch > auditory.