The functional architecture of speech perception

David Poeppel, Martin Hackl

Research output: Chapter in Book/Report/Conference proceedingChapter


Introduction The language system is that aspect of mind/brain function that forms the basis for phonological, morphological, syntactic, and semantic computation. The “currencies” (or the ontology) of this central and abstract computational system are representations that are amodal, for example the concepts “feature” (phonology) or “affix” (morphology) or “phrase” (syntax) or “generalized quantifier” (semantics). Representation and computation with such concepts is typically considered independent of sensory modalities. Of course, the linguistic computational system is not isolated but interacts with other cognitive systems and with sensory-motor interface systems. With regard to the input and output, the system has at least three modality-specific interfaces: an acoustic-articulatory system (speech perception and production), a visuo-motor system (reading/writing and sign), and a somatosensory interface (Braille). Speech and sign are the canonical interfaces and develop naturally; written language and Braille are explicitly taught: barring gross pathology, every child learns to speak or sign (rapidly, early, without explicit instruction, to a high level of proficiency), whereas learning to read/write Braille requires explicit instruction, is not universal, and occurs later in development. In this chapter we focus on speech perception, specifically with regard to linguistic constraints and cortical organization. We first outline the key linguistic assumptions, including the concept of “distinctive feature,” and then discuss a functional-anatomic model that captures a range of empirical findings. The linguistic basis of speech perception The central importance of words for language use and understanding An essential part of the cognitive ability underlying the linguistic behavior of a competent speaker of a language consists of knowing the words of the language or their constituents (roots).

Original languageEnglish (US)
Title of host publicationTopics in Integrative Neuroscience
Subtitle of host publicationFrom Cells to Cognition
PublisherCambridge University Press
Number of pages27
ISBN (Electronic)9780511541681
ISBN (Print)9780521869133
StatePublished - Jan 1 2008

ASJC Scopus subject areas

  • General Neuroscience


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