Journal
BRAIN AND LANGUAGE
Volume 125, Issue 1, Pages 60-76Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bandl.2013.01.010
Keywords
Language comprehension; Dorsal stream; Ventral stream; Hierarchical organisation; Cognitive control; Syntax; Semantics; Inferior frontal gyrus; Anterior temporal lobe; Posterior temporal lobe
Funding
- LOEWE programme
- German state of Hesse
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We present a new dorsal-ventral stream framework for language comprehension which unifies basic neurobiological assumptions (Rauschecker & Scott, 2009) with a cross-linguistic neurocognitive sentence comprehension model (eADM; Bornkessel & Schlesewsky, 2006). The dissociation between (time-dependent) syntactic structure-building and (time-independent) sentence interpretation assumed within the eADM provides a basis for the division of labour between the dorsal and ventral streams in comprehension. We posit that the ventral stream performs time-independent unifications of conceptual schemata, serving to create auditory objects of increasing complexity. The dorsal stream engages in the time-dependent combination of elements, subserving both syntactic structuring and a linkage to action. Furthermore, frontal regions accomplish general aspects of cognitive control in the service of action planning and execution rather than linguistic processing. This architecture is supported by a range of existing empirical findings and helps to resolve a number of theoretical and empirical puzzles within the existing dorsal-ventral streams literature. (c) 2013 Elsevier Inc. All rights reserved.
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