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People misjudge front sounds as coming from behind due to similar ear cues, a finding that could aid low-vision navigation.
A new study from the University of Auckland finds that people consistently misperceive sounds coming from in front as originating from behind, even when blindfolded and aware of the true source.
This front-back illusion occurs because the ears receive nearly identical timing and intensity cues for sounds in front and behind, leading the brain to misinterpret location.
The effect held across various sounds, positions, and settings, suggesting a strong perceptual bias, possibly linked to survival instincts or expectations when vision is absent.
The findings may improve safety and navigation tools for people with low vision.
La gente juzga erróneamente los sonidos delanteros como provenientes de atrás debido a señales auditivas similares, un hallazgo que podría ayudar a la navegación con baja visión.