Ah, well--that wasn't hard to find:

http://www.plosone.org/article/info:doi/10.1371/journal.pone.0002669

"Recently, activation-dependant structural brain plasticity in humans has been demonstrated in adults after three months of training a visio-motor skill. Learning three-ball cascade juggling was associated with a transient and highly selective increase in brain gray matter in the occipito-temporal cortex comprising the motion sensitive area hMT/V5 bilaterally."

more user-friendly:

http://classic.the-scientist.com/news/display/55830/


Last edited by ultramarina; 01/06/12 12:40 PM.