Seeing with your brain

20 01 2016

Gregoy Bedecarrats gave a talk in our department last week, on the possible effect of coloured lights on hen reproduction (I’m now changing all the bulbs in our house to red ones to ward off the menopause …).

His most amazing slide was in the introduction, on the three organs that have photoreceptors. Yes, THREE. In birds, it turns out, the hypothalamus — despite being deep within the brain — is studded with photoreceptors. I nearly fell off my chair!

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