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The Effect Of Using Unisensory Event Certainty On The Psychological Refractory Period, James Wolfgang
Kinesiology, Sport Studies, and Physical Education Master’s Theses
In many situations where a person is required to react to two stimuli that occur in rapid succession there will be a lag in the response time of the second reaction. This lag in response is what is known as a “psychological refractory period” (PRP). The PRP is thought to be a limit of some mechanism in the brain to process successively occurring stimuli occurring between 50 – 250 milliseconds apart. Five different theories attempt to explain the mechanism underlying the PRP. This study tests one of them: the expectancy theory. Expectancy theory states that PRP depends on the subject’s ...