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The neuroanatomic and neurophysiological infrastructure for speech and language
1Department of Psychology, New York University, 6 Washington Place, New York, NY 10003, United States; Department of Neuroscience, Max-Planck-Institute for Empirical Aesthetics, Grüneburgweg 14, 60322 Frankfurt, Germany.
Current Opinion in Neurobiology
|July 28, 2014
Summary
New research redefines speech and language processing by examining brain organization and neural oscillations. This work challenges classical models and proposes new computational approaches for understanding spoken language.
Area of Science:
- Neuroscience
- Computational Linguistics
- Cognitive Science
Background:
- The neurobiological underpinnings of speech and language processing are continually being redefined by technological and theoretical advancements.
- Classical models of functional anatomy for speech and language are being challenged by complex network organization findings.
Purpose of the Study:
- To present a revised perspective on the spatial and temporal organization of the human brain in speech and language processing.
- To explore the role of computational primitives and cortical oscillations in understanding speech.
Main Methods:
- Review of recent literature on functional neuroanatomy and network complexity.
- Analysis of recent work on temporal organization and cortical oscillations in speech processing.
Main Results:
- The complexity of neural networks challenges the classical model of speech and language processing.
- Cortical oscillations show potential as a mechanism for segmenting natural speech.
Conclusions:
- A revised functional anatomy, incorporating granular computational primitives, is needed for speech and language.
- Cortical oscillations offer a potential implementational-level mechanism for addressing the challenges in natural speech segmentation.
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