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Updated: Jul 18, 2026
09:01
Performing Vaginal Lavage, Crystal Violet Staining, and Vaginal Cytological Evaluation for Mouse Estrous Cycle Staging Identification
Published on: September 15, 2012
Changes in colour discrimination during the menstrual cycle.
Giuseppe Giuffrè1, Luigi Di Rosa, Fabio Fiorino
1Department of Neurology, Ophthalmology and Psychiatry, University Eye Clinic, Palermo, Italy. giuseppe.giuffre@aliceposta.it
Summary
Women
Area of Science:
- Reproductive biology and human physiology.
- Visual perception and psychophysics.
Background:
- The menstrual cycle involves hormonal fluctuations that may influence various physiological functions.
- Previous research has explored the impact of the menstrual cycle on cognitive abilities, but visual perception remains less understood.
Purpose of the Study:
- To investigate potential variations in color discrimination abilities across different phases of the menstrual cycle.
- To explore the relationship between hormonal changes and visual performance in women of reproductive age.
Main Methods:
- Recruitment of healthy women within reproductive age.
- Administration of the Farnsworth-Munsell 100-hue arrangement test at three distinct cycle points: beginning, ovulation, and end.
- Standardized testing conditions to ensure reliable color vision assessment.
Main Results:
- Color discrimination performance was significantly enhanced during the ovulation phase.
- Visual performance at ovulation surpassed that observed at the beginning and end of the menstrual cycle.
- A notable improvement in the ability to discern subtle color differences was recorded at mid-cycle.
Conclusions:
- Ovulation is associated with superior color discrimination abilities in women.
- Hormonal shifts, particularly those occurring around ovulation, may play a crucial role in modulating visual perception.
- Psychological factors could also contribute to the observed improvements in color vision performance during this phase.
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