Lexical representation explains cortical entrainment during speech comprehension.
basic_science · Level V
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- Record sourced from PubMed, PMID 29771964.
- Also identified by DOI 10.1371/journal.pone.0197304 and PMC identifier 5957381.
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Abstract
Results from a recent neuroimaging study on spoken sentence comprehension have been interpreted as evidence for cortical entrainment to hierarchical syntactic structure. We present a simple computational model that predicts the power spectra from this study, even though the model's linguistic knowledge is restricted to the lexical level, and word-level representations are not combined into higher-level units (phrases or sentences). Hence, the cortical entrainment results can also be explained from the lexical properties of the stimuli, without recourse to hierarchical syntax.
Medical subject headings
- Cerebral Cortex
- Comprehension
- Computer Simulation
- Models, Neurological
- Semantics
- Speech Perception