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Book Chapter

Neural basis of speech perception


Poeppel,  David
Department of Neuroscience, Max Planck Institute for Empirical Aesthetics, Max Planck Society;
New York University;

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Hickok, G., & Poeppel, D. (2015). Neural basis of speech perception. In G. G. Celesia, & G. Hickock (Eds.), The human auditory system: Fundamental organization and clinical disorder (pp. 149-160). Edinburgh: Elsevier. doi:10.1016/B978-0-444-62630-1.00008-1.

Cite as: http://hdl.handle.net/11858/00-001M-0000-002A-32FF-5
The functional neuroanatomy of speech processing has been difficult to characterize. One major impediment to progress has been the failure to consider task effects when mapping speech-related processing systems. We summarize a dual-stream model of speech processing that addresses this situation. In this model, a ventral stream processes speech signals for comprehension, and a dorsal stream maps acoustic speech signals to parietal and frontal-lobe articulatory networks. The model assumes that the ventral stream is largely bilaterally organized, although there are important computational differences between the left- and right-hemisphere systems, whereas the dorsal stream is strongly left-hemisphere-dominant.