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Comment
. 2014 Jul 7;24(13):R613-5.
doi: 10.1016/j.cub.2014.05.037.

Neurobiology: the eye within the brain

Michael Menaker  1
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Free article
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Neurobiology: the eye within the brain

Michael Menaker. Curr Biol. .
Free article

Abstract

All vertebrates except mammals have photoreceptors within their brains; however, the light-sensitive cells have never been unambiguously identified. A new paper provides direct evidence of photosensitivity in cerebrospinal fluid (CSF)-contacting neurons in quail brain that mediate the seasonal reproductive response.

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