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Journal of the Korean Academy of Rehabilitation Medicine 1996;20(3):23.
A Study on Visual and Auditory Reaction Time Test in Normal Korean Adults
Kyoung-Moo Lee, M.D.
Department of Rehabilitation Medicine, Chungbuk National University College of Medicine
한국 정상 성인의 시각 및 청각 자극에 대한 반응 시간에 관한 연구
충북대학교 의과대학 재활의학교실

The reaction time tests were thought to be relatively simple and sensitive tools to evaluate the level of arousal and concentration. The purpose of the study was to investigate the normative data of simple reaction time test in Korean people.

60 normal subjects in 3 age groups were tested on visual and auditory reaction times. Mean reaction time was 258msec in visual reaction time test and 234msec in auditory reaction time test. Mean reaction times were prolonged in older age group. False key rates(errorness key pressing in the absent of target stimuli) were 0.005 in visual reaction time test and 0 in auditory reaction time test. Missing key rates(no response for above 2 seconds since target stimuli start) were 0.002 in visual reaction time test and 0.002 in auditory reaction time test.

It was concluded that the reaction time test is simple to conduct in clinical setting and error rates can also be used as evaluative indices.

Key Words: Visual reaction time, Auditory reaction time, Error rates


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