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Brain and Language: Insights from Songbirds Colline Poirier.

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Presentation on theme: "Brain and Language: Insights from Songbirds Colline Poirier."— Presentation transcript:

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2 Brain and Language: Insights from Songbirds Colline Poirier

3 Vocal learning Sensory: hearing the model (sensitive period) Sensory-motor: practicing + auditory feedback Maintenance: auditory feedback

4 Proto-syntax Starling song A: individual whistles B, C, D : individual warbling motifs E, F, G: click trains superimposed to individual warbling motifs H, I : speci-specific high-pitched trills

5 Spoken language Sequence of acoustically complex sounds Learned behaviour Meaningful order of sounds Referential function OK Birdsong No OK

6 Gene expression Anatomical connectivity Functionality Jarvis et al 2005, Nat Rev Neurosci Avian Brain

7 Song control system

8 Songbird & MRI

9 Own song recognition Own song selectivity in the song control system  Own song selectivity in the auditory pathway? Birdsong: support of species and individual recognition Own song selectivity: Experience-dependent mechanisms & Auditory feedback

10 Poirier et al., 2009, J. Neurosci Own song recognition

11 Lateralized own song selectivity towards the right side: Reminiscent of: song productionneural auditory feedback controlown voiceown cry own face

12 Own song recognition Own song selectivity at the midbrain level Information processing about the identity of a subject through experience-dependent mechanisms, challenging the classical perception of sub-cortical regions as primitive and non-plastic structures.

13 Brain and Language vocal learningLanguage precursors


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