Study of audiovisual reaction time in premenstrual and postmenstrual phase of menstrual cycle in normal young females
Journal Title: MedPulse -International Medical Journal - Year 2015, Vol 2, Issue 4
Abstract
The measurement of reaction time has been used to evaluate the processing speed of central nervous system and coordination between sensory and motor system. Neurophysiologic studies have shown that the brain regions involved in affective state as well as cognition are widely affected by ovarian steroids. Present study was carried out to determine if there is any alteration in audiovisual reaction time during premenstrual period compared to postmenstrual period in young females. The study was conducted on thirty healthy, regularly menstruating female medical students who were in the age group of 18-22 years to evaluate the influence of premenstrual phase compared to postmenstrual phase on auditory reaction time (ART) and visual reaction time (VRT) by using a reaction time instrument which is supplied by Medicaid systems RTM 604(Chandigarh-India). Premenstrual phase was taken as 1 to 7 days prior to onset of next menstruation and postmenstrual phase as 5th to 10th day of menstrual cycle. The mean visual reaction time in seconds was found to be 0.5743 ± 0.0529 during premenstrual phase whereas it was 0.5477 ± 0.0510 during postmenstrual phase and the difference was statistically significant. The mean auditory reaction time in seconds was found to be 0.4597 ± 0.0425 during premenstrual phase whereas it was 0.4363 ± 0.0441 during postmenstrual phase and the difference was statistically significant. It was concluded that reaction time was more during the premenstrual phase as compared to the postmenstrual phase.
Authors and Affiliations
Bhakti Dabir, P K Kalwale
Keywords
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