Effect of Colour of Object on Simple Visual Reaction Time in Normal Subjects
Journal Title: Journal of Krishna Institute of Medical Sciences University - Year 2014, Vol 3, Issue 1
Abstract
The measure of simple reaction time has been used toevaluate the processing speed of CNS and the co-ordinationbetween the sensory and motor systems. Asthe reaction time is influenced by different factors; theimpact of colour of objects in modulating the reactiontime has been investigated in this study. 200 healthyvolunteers (female gender 100 and male gender100)of age group 18-25 yrs were included as subjects. Thesubjects were presented with two visual stimuli viz;red and green light by using an electronic responseanalyzer. Paired‘t’ test for comparison of visual reactiontime for red and green colour in male gender showsp value<0.05 whereas in female gender shows p<0.001.It was observed that response latency for red colourwas lesser than that of green colour which can be explainedon the basis of trichromatic theory
Authors and Affiliations
Sunita B. Kalyanshetti
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