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Nature neuroscience · Jun 2007
Environmental enrichment in adulthood promotes amblyopia recovery through a reduction of intracortical inhibition.
- Alessandro Sale, José Fernando Maya Vetencourt, Paolo Medini, Maria Cristina Cenni, Laura Baroncelli, Roberto De Pasquale, and Lamberto Maffei.
- Scuola Normale Superiore, Piazza dei Cavalieri, I-56100 Pisa, Italy. a.sale@sns.it
- Nat. Neurosci. 2007 Jun 1;10(6):679-81.
AbstractLoss of visual acuity caused by abnormal visual experience during development (amblyopia) is an untreatable pathology in adults. We report that environmental enrichment in adult amblyopic rats restored normal visual acuity and ocular dominance. These effects were due to reduced GABAergic inhibition in the visual cortex, accompanied by increased expression of BDNF and reduced density of extracellular-matrix perineuronal nets, and were prevented by enhancement of inhibition through benzodiazepine cortical infusion.
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