PSY BEH 113D Lecture Notes - Lecture 20: Mental Chronometry, Psych, Inhibitory Control Test
13 Jan 2020
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Processing speed: brain"s efficiency in processing information. Time to analyze incoming information, make a decision, and respond to it. Make response as soon as target appears. Push keyboard key as soon as stimulus appears. Make one response for one stimulus and another for a different stimulus. Push f if red circle appears, or push j if blue circle appears. Older adults have longer reaction time (respond slower) relative to younger adults. Similar reaction time for easier tasks (shorter time, faster reaction) Older adults: longer time (slower reaction) for more difficult tasks. Older adults = younger adults in performance. Require that observer focus on a specific target among set of distractors. Two types of basic visual search tasks: Both younger and older adults do worse; more apparent for older adults. Everyone pays a price in terms of performance. Turning off one response while performing another. Stroop task is example (read a color word based on the ink it is printed in)
