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Vision

Vision

Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.

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Related Experiment Video

Updated: May 7, 2026

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Published on: November 16, 2017

Separate attentional components modulate early visual cortex excitability

Qadeer Arshad¹, Yuliya Nigmatullina, Vamsee Bhrugubanda

¹Academic Department of Neuro-otology, Division of Brain Sciences, Charing Cross Hospital Campus, Imperial College London, London, UK.

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior

|October 5, 2013

Summary

No abstract available in PubMed .

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