Abstract
Due to ever increasing use of smartphones and increase dependency on it, it has been a topic of great interest among researchers to find out how mobile phones have an effect on human anatomy and human brains but there haven't been several studies regarding the same. And as reaction time is one amongst the tool to measure cognitive function in human beings. This study included males and females of age 18-25years within BMI 18.5- 22.9kg/m2 and having two weekly average screen-time of more than 4 hours. These individuals were asked to perform Deary Liewald’s test for Simple and Choice reaction time. The included 54 participants (3 males and 51 females) and data collected did not pass normality, hence Spearman’s test was used to find the correlation. The correlation coefficient (r value) and p value for the correlation between smartphone screen time and Simple reaction time is 0.070 and 0.61 and for Choice reaction time is -0.048 and 0.729 respectively. The study shows no significant correlation between the parameters screen time and reaction time (simple and choice reaction time) since p>0.05.
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