News of the WeekNeuroscience

Mutant Mice Reveal Secrets of the Brain's Impressionable Youth

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Science  30 Sep 2005:
Vol. 309, Issue 5744, pp. 2145
DOI: 10.1126/science.309.5744.2145a

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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.