[Neuroscience] Steroids, not songs, spur growth of brain regions in sparrows

[donphilip1963 from gmail.com]

Neuroscientists are attempting to understand if structural changes in
the brain are related to sensory experience or the performance of
learned behavior

http://theanalystmagazine.com/pr/g2006.htm

Now University of Washington researchers have found evidence that one
species of songbird apparently has something in common with a few
baseball sluggers.