Kinesiology 1080A/B Lecture Notes - Lecture 18: Psychological Refractory Period, Interstimulus Interval, Mental Chronometry
28 Feb 2015
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Because if 2 stimuli are placed too close together, then we process them are 1 stimulus: 75-80 ms we get the optimal interval to produce a psychological refractory period. Produces the biggest increase in the reaction time for stimulus 2. Can respond to stimulus 1, then repond to stimulus 2 just as fast as if you recived stimulus 2 on its own. You are not going to look at things you don"t want to look at: uncouncious control environmental stimuli (cueing, exogenous orientation of attention is involuntary. Forcing you to look at something: flashing ads - dymanic change in your environment. Cant help but to look at it. Didn"t choose to look over at it. When you have a dynamic stimuli (something in your environment changes quickly) it draws on a structure called the superior caliculus. Superior caliculus: plays a large role in eye movements and makes your eye move towards thie dynamic stimulus.
