Two neural streams, one voice: Pathways for theme and variation in the songbird brain

Highlights • Birdsong is learned in a manner similar to human speech. • Two premotor pathways generate the theme and variation of song, but their relative influence shifts during learning. • In adult birds, auditory feedback and social stimuli influence the gain of the dual premotor pathways. • The...

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Veröffentlicht in:	Neuroscience 2014-09, Vol.277, p.806-817
Hauptverfasser:	Bertram, R, Daou, A, Hyson, R.L, Johnson, F, Wu, W
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Auditory Perception - physiology basal ganglia Brain - growth & development Brain - physiology Feedback, Psychological - physiology Finches - growth & development Finches - physiology Humans Learning - physiology Male motor memory Neural Pathways - growth & development Neural Pathways - physiology Neurology Neurons - physiology premotor cortex sensory-motor integration Taeniopygia guttata vocal learning Vocalization, Animal - physiology
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Beschreibung
Zusammenfassung:	Highlights • Birdsong is learned in a manner similar to human speech. • Two premotor pathways generate the theme and variation of song, but their relative influence shifts during learning. • In adult birds, auditory feedback and social stimuli influence the gain of the dual premotor pathways. • The neural composition of birdsong involves axial swaths of interconnected neurons.
ISSN:	0306-4522 1873-7544
DOI:	10.1016/j.neuroscience.2014.07.061