Abstract
PurposeTo evaluate the influence of colored light stimulus on simple visual reaction times.MethodsSimple visual reaction times of colored light stimuli were measured in 100 young Iranian females with the mean age of 23.02±3.45 years (range from 18 to 30 years) in response to the four visual stimuli (red, green, yellow and blue light) by using Speed Anticipation and Reaction Tester (SART) software.ResultsThe analysis of variance (ANOVA) test to compare visual reaction time showed a significant difference (P <0.001) between four colored light stimuli so that the maximum and minimum mean reaction times were obtained for blue- and red-colored light stimuli. Also, it was observed that the response latency for red color was significantly less compared to green color (P < 0.05).ConclusionThe present study showed that individuals do not respond to visual stimuli with different colors at the same speed, which may be due to different factors involved in the visual reaction time.
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