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Sex-related differences in vision are heterogeneous
Albulena Shaqiri1, Maya Roinishvili2,3, Lukasz Grzeczkowski4
1Laboratory of Psychophysics, Brain Mind Institute, EPFL, Lausanne, Switzerland. albulena.shaqiri@epfl.ch.
Scientific Reports
|May 16, 2018
Summary
Males show significant advantages in several visual perception tests compared to females. This study highlights the importance of considering sex as a factor in vision research and cognitive studies using visual tasks.
Area of Science:
- Vision Science
- Neuroscience
- Human Perception
Background:
- Established sex differences exist in cognition, audition, and somatosensation.
- Limited research has explored sex differences in visual perception.
Purpose of the Study:
- To investigate potential sex differences across fifteen diverse measures of visual perception.
- To determine if males or females exhibit superior performance in specific visual tasks.
Main Methods:
- Evaluated over 800 participants on fifteen distinct perceptual tests.
- Included measures such as visual acuity, backward masking, contrast detection, and motion detection.
Main Results:
- Males significantly outperformed females on six of the fifteen visual perception tests.
- No visual perception tests showed females significantly outperforming males.
- Observed heterogeneity in sex effects suggests multiple underlying mechanisms.
Conclusions:
- Sex is a significant factor influencing visual perception.
- Controlling for sex is crucial in vision research.
- Sex differences in visual perception may confound cognitive findings from visually-based tasks.
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