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Related Experiment Video

Updated: Oct 5, 2025

Examining Online Syntactic Processing of Spoken Complex Sentences in Chinese Using Dual-Modal Interference Tasks

Examining Online Syntactic Processing of Spoken Complex Sentences in Chinese Using Dual-Modal Interference Tasks

Published on: September 5, 2019

The dual stream model of speech and language processing.

Gregory Hickok¹

¹Department of Cognitive Sciences, University of California, Irvine, CA, United States; Department of Language Science, University of California, Irvine, CA, United States.

Handbook of Clinical Neurology

|January 26, 2022

Summary

The dual stream model updates the classical Wernicke-Lichtheim-Geschwind model of language neurology, offering a broader scope and addressing empirical shortcomings. This revised framework integrates language systems with broader cortical networks.

Keywords:

Aphasia Brain Dual stream model Language Speech Syntax

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Area of Science:

Neuroscience
Linguistics
Cognitive Science

Background:

The Wernicke-Lichtheim-Geschwind model has been foundational in understanding language neurology but has limitations.
Classical models offer a constrained view of language processing in the brain.

Purpose of the Study:

To review the classical Wernicke-Lichtheim-Geschwind model and its limitations.
To introduce and motivate the dual stream model as an advancement in language neurology.
To explore the integration of the dual stream model with broader neural networks and syntax.

Main Methods:

Review of the classical Wernicke-Lichtheim-Geschwind model.
Description and motivation of the dual stream model.
Integration of recent research on cortical networks, speech production, and syntax.

Main Results:

The dual stream model addresses empirical shortcomings of the classical model.
It provides a framework for understanding language systems within the broader functional-anatomical landscape.
Recent work specifies the computational architecture and neural correlates of the dorsal speech production system.

Conclusions:

The dual stream model represents a significant update to the neurology of language.
This model better integrates language processing with nonlinguistic cortical networks.
Extensions of the dual stream model framework now encompass syntax, offering a more comprehensive view.