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Original Research
Online Published: 13 May 2020
 


Study on variation of simple reaction time during menstrual cycle among undergraduate medical students

Anusha Donadi, Tejaswi Munagapati, Srinivas Pernenkil.


Abstract
Background: Females have a monthly cyclical change in the levels of estrogen and progesterone during the pre-menstrual and post-menstrual phase. These hormones affect the sensory-motor association. Measurement of reaction time in the pre- and the post-menstrual phase gives us an understanding of the effect of fluctuating levels of these hormones on the processing capabilities of the brain.

Aims and Objectives: The present study was aimed at assessing the influence of estrogen and progesterone on auditory reaction time (ART) and visual reaction time (VRT).

Materials and Methods: Fifty female undergraduate medical students having age between 18 and 21 years with eumenorrheic cycles were recruited in the study. ART and VRT were assessed in the pre- and the post-menstrual phase using digital reaction time apparatus for simple choice discriminative R.T with built-in timer and chronoscope with a display accuracy of 1 ms. The paired “t-test” was used for analyzing the results statistically.

Results: The current study showed a non-significant increase in ART (P = 0.611) and VRT (P = 0.512) values in the pre-menstrual phase.

Conclusion: There was no statistically significant influence of estrogen and progesterone on the reaction time. Even though the reaction time in pre-menstrual phase is higher than post-menstrual phase, the non-significant difference of reaction time between pre- and post-menstrual phase may be attributed to a similar lifestyle in all the study participants.

Key words: Ovarian Hormones; Post-menstrual Phase; Pre-menstrual Phase; Simple Reaction Time; Undergraduate Medical Students


 
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How to Cite this Article
Pubmed Style

Donadi A, Munagapati T, Pernenkil S. Study on variation of simple reaction time during menstrual cycle among undergraduate medical students. Natl J Physiol Pharm Pharmacol. 2020; 10(8): 641-644.

doi:10.5455/njppp.2020.10.12391201907052020

Web Style

Donadi A, Munagapati T, Pernenkil S. Study on variation of simple reaction time during menstrual cycle among undergraduate medical students. https://www.njppp.com/?mno=78749 [Access: June 26, 2026].

doi:10.5455/njppp.2020.10.12391201907052020

AMA (American Medical Association) Style

Donadi A, Munagapati T, Pernenkil S. Study on variation of simple reaction time during menstrual cycle among undergraduate medical students. Natl J Physiol Pharm Pharmacol. 2020; 10(8): 641-644.


doi:10.5455/njppp.2020.10.12391201907052020

Vancouver/ICMJE Style

Donadi A, Munagapati T, Pernenkil S. Study on variation of simple reaction time during menstrual cycle among undergraduate medical students. Natl J Physiol Pharm Pharmacol. (2020), [cited June 26, 2026]; 10(8): 641-644.


doi:10.5455/njppp.2020.10.12391201907052020

Harvard Style

Donadi, A., Munagapati, . T. & Pernenkil, . S. (2020) Study on variation of simple reaction time during menstrual cycle among undergraduate medical students. Natl J Physiol Pharm Pharmacol, 10 (8), 641-644.


doi:10.5455/njppp.2020.10.12391201907052020

Turabian Style

Donadi, Anusha, Tejaswi Munagapati, and Srinivas Pernenkil. 2020. Study on variation of simple reaction time during menstrual cycle among undergraduate medical students. National Journal of Physiology, Pharmacy and Pharmacology, 10 (8), 641-644.


doi:10.5455/njppp.2020.10.12391201907052020

Chicago Style

Donadi, Anusha, Tejaswi Munagapati, and Srinivas Pernenkil. "Study on variation of simple reaction time during menstrual cycle among undergraduate medical students." National Journal of Physiology, Pharmacy and Pharmacology 10 (2020), 641-644.


doi:10.5455/njppp.2020.10.12391201907052020

MLA (The Modern Language Association) Style

Donadi, Anusha, Tejaswi Munagapati, and Srinivas Pernenkil. "Study on variation of simple reaction time during menstrual cycle among undergraduate medical students." National Journal of Physiology, Pharmacy and Pharmacology 10.8 (2020), 641-644. Print.


doi:10.5455/njppp.2020.10.12391201907052020

APA (American Psychological Association) Style

Donadi, A., Munagapati, . T. & Pernenkil, . S. (2020) Study on variation of simple reaction time during menstrual cycle among undergraduate medical students. National Journal of Physiology, Pharmacy and Pharmacology, 10 (8), 641-644.


doi:10.5455/njppp.2020.10.12391201907052020

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