E-ISSN 2231-3206 | ISSN 2320-4672
 

Original Research 


Evaluation of visual reaction time during pre- and post- menstrual phase

Sugata Sunil Jadhav.

Abstract
Background: Females suffer from a cluster of symptoms during premenstrual phase. Those subside on the onset of menstruation. Varied symptoms are confusion, headache, decrease in alertness, forgetfulness, and mood fluctuations. Cyclical variation in ovarian hormones is responsible for these symptoms. These hormones affect reaction time (RT) of an individual to a particular stimulus. RT gives us information about sensorimotor association and processing capability of central nervous system.

Aims and Objectives: To study the influence of phases of menstrual cycle on visual RT (VRT).

Materials and Methods: Seventy females in the age group of 18–21 years were selected for the study. VRT was assessed in pre- and post-menstrual phase with portable instrument. Results were analyzed using Student’s paired t test.

Results: The study shows highly statistically significant prolongation of VRT in premenstrual phase as compared to postmenstrual phase.

Conclusion: Prolongation of VRT in premenstrual phase is predominantly due to high levels of progesterone. It exerts its action centrally through inhibitory neurotransmitter gamma-aminobutyric acid. It delays neuronal conduction time. Effects of progesterone locally acting on the ocular tissue and the intraocular fluid also contribute to prolonging VRT in premenstrual phase.

Key words: Visual Reaction Time; Progesterone; Ovarian Hormones; Premenstrual Phase; Postmenstrual Phase


 
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How to Cite this Article
Pubmed Style

Sugata Sunil Jadhav. Evaluation of visual reaction time during pre- and post- menstrual phase. Natl J Physiol Pharm Pharmacol. 2019; 9(5): 398-400. doi:10.5455/njppp.2019.9.0100502032019


Web Style

Sugata Sunil Jadhav. Evaluation of visual reaction time during pre- and post- menstrual phase. http://www.njppp.com/?mno=24852 [Access: August 23, 2019]. doi:10.5455/njppp.2019.9.0100502032019


AMA (American Medical Association) Style

Sugata Sunil Jadhav. Evaluation of visual reaction time during pre- and post- menstrual phase. Natl J Physiol Pharm Pharmacol. 2019; 9(5): 398-400. doi:10.5455/njppp.2019.9.0100502032019



Vancouver/ICMJE Style

Sugata Sunil Jadhav. Evaluation of visual reaction time during pre- and post- menstrual phase. Natl J Physiol Pharm Pharmacol. (2019), [cited August 23, 2019]; 9(5): 398-400. doi:10.5455/njppp.2019.9.0100502032019



Harvard Style

Sugata Sunil Jadhav (2019) Evaluation of visual reaction time during pre- and post- menstrual phase. Natl J Physiol Pharm Pharmacol, 9 (5), 398-400. doi:10.5455/njppp.2019.9.0100502032019



Turabian Style

Sugata Sunil Jadhav. 2019. Evaluation of visual reaction time during pre- and post- menstrual phase. National Journal of Physiology, Pharmacy and Pharmacology, 9 (5), 398-400. doi:10.5455/njppp.2019.9.0100502032019



Chicago Style

Sugata Sunil Jadhav. "Evaluation of visual reaction time during pre- and post- menstrual phase." National Journal of Physiology, Pharmacy and Pharmacology 9 (2019), 398-400. doi:10.5455/njppp.2019.9.0100502032019



MLA (The Modern Language Association) Style

Sugata Sunil Jadhav. "Evaluation of visual reaction time during pre- and post- menstrual phase." National Journal of Physiology, Pharmacy and Pharmacology 9.5 (2019), 398-400. Print. doi:10.5455/njppp.2019.9.0100502032019



APA (American Psychological Association) Style

Sugata Sunil Jadhav (2019) Evaluation of visual reaction time during pre- and post- menstrual phase. National Journal of Physiology, Pharmacy and Pharmacology, 9 (5), 398-400. doi:10.5455/njppp.2019.9.0100502032019





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