Life and death in the living brain ((send by free-web-host.me user))
Like clockwork, brain regions in many songbird species expand and shrink seasonally in response to hormones. Now, for the first time, University of Washington neurobiologists have interrupted this natural "annual remodeling" of the brain and have shown that there is a direct link between the death of old neurons and their replacement by newly born ones in a living vertebrate.
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Posted in: on Thursday, August 20, 2009 at at 8:26 PM
