Rapid spine stabilization and synaptic enhancement at the onset of behavioural learning

Todd F. Roberts, Katherine A. Tschida, Marguerita E. Klein and Richard Mooney ()
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Todd F. Roberts: Duke University Medical Center, Durham, North Carolina 27710, USA
Katherine A. Tschida: Duke University Medical Center, Durham, North Carolina 27710, USA
Marguerita E. Klein: Duke University Medical Center, Durham, North Carolina 27710, USA
Richard Mooney: Duke University Medical Center, Durham, North Carolina 27710, USA

Nature, 2010, vol. 463, issue 7283, 948-952

Abstract: Growing for a song Previous studies have demonstrated a correlation between structural changes in the brain and sensory experience, but whether similar changes accompany learning is uncertain. High-resolution two-photon in vivo imaging of individual neurons in the song control nucleus HVC (higher vocal centre) of juvenile zebra finches that were learning adult song patterns suggests that learning does involve such changes. Within 24 hours of learning their first song, the normally dynamic dendritic spines in the HVC of the zebra finches become larger and more stable, and synaptic activity is enhanced.

Date: 2010
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DOI: 10.1038/nature08759

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