News tagged with vision

Negative feedback stabilizes memories

(Medical Xpress)—Memories may be maintained in the brain through a mechanism familiar to any engineer—negative and positive feedback loops, according to researchers Sukbin Lim and Mark Goldman at the ...

Aug 28, 2013
popularity 5 / 5 (2) | comments 0 | with audio podcast

Your eyes are half a billion years old

Look after your eyes – they are at least half a billion years old, and a good deal older than your brain. The eyes are one of our most remarkable and precious organs, yet their origins have been shrouded ...

Jul 30, 2013
popularity 4.3 / 5 (18) | comments 5 | with audio podcast