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Published on: February 23, 2024
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Motion-induced blindness shows spatial anisotropies in conscious perception
András Sárközy1, Jonathan E Robinson2, Gyula Kovács3
1Friedrich Schiller University, 07743, Jena, Germany.
Scientific Reports
|November 12, 2024
Summary
Visual field asymmetries influence conscious perception. Polar angle asymmetries (PAAs) show shorter, fewer disappearances in motion-induced blindness (MIB) along cardinal and horizontal directions, revealing consistent patterns in visual cognition.
Area of Science:
- Visual perception science
- Cognitive neuroscience
- Human visual system research
Background:
- Polar angle asymmetries (PAAs) describe variations in visual perception across the visual field.
- Research on PAAs, especially during perceptual illusions, is limited, creating a knowledge gap in visual cognition.
Purpose of the Study:
- To investigate the impact of PAAs on conscious visual perception.
- To measure PAAs within the motion-induced blindness (MIB) illusion framework.
Main Methods:
- Utilized the motion-induced blindness (MIB) illusion to assess conscious vision.
- Measured average disappearance times of peripheral targets across eight visual field positions during MIB.
Main Results:
- Significant variations in MIB disappearance times and frequencies were observed based on target location.
- Shorter and fewer target disappearances occurred along cardinal compared to oblique directions.
- Fewer disappearances were noted along the horizontal meridian versus the vertical meridian.
Conclusions:
- Results demonstrate a clear relationship between visual field asymmetries and conscious visual perception.
- Consistent patterns exist between PAAs and how stimuli are consciously perceived within the visual field.
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