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Science 30 September 2005:
Vol. 309. no. 5744, p. 2145
DOI: 10.1126/science.309.5744.2145a
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News of the Week

NEUROSCIENCE:
Mutant Mice Reveal Secrets of the Brain's Impressionable Youth

Greg Miller

On page 2222 of this issue of Science, researchers describe molecular signaling that may cause the maturing brain to lose its neural plasticity. The identity of these molecules may also shed light on the long-standing question of why it's difficult for the mammalian central nervous system to repair itself.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)