Cited by 90Functional Brain Connectivity StudiesNeurobiology of Language and BilingualismAction Observation and Synchronization

Sensory-motor brain network connectivity for speech comprehension

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Londei, Alessandro, D'Ausilio, Alessandro, Basso, Demis, Sestieri, Carlo, Gratta, Cosimo Del, Romani, Gian‐Luca, Belardinelli, Marta Olivetti·2010·Human Brain Mapping

Abstract

The act of listening to speech activates a large network of brain areas. In the present work, a novel data-driven technique (the combination of independent component analysis and Granger causality) was used to extract brain network dynamics from an fMRI study of passive listening to Words, Pseudo-Words, and Reverse-played words. Using this method we show the functional connectivity modulations among classical language regions (Broca's and Wernicke's areas) and inferior parietal, somatosensory, and motor areas and right cerebellum. Word listening elicited a compact pattern of connectivity within a parieto-somato-motor network and between the superior temporal and inferior frontal gyri. Pseudo-Word stimuli induced activities similar to the Word condition, which were characterized by a highly recurrent connectivity pattern, mostly driven by the temporal lobe activity. Also the Reversed-Word condition revealed an important influence of temporal cortices, but no integrated activity of the parieto-somato-motor network. In parallel, the right cerebellum lost its functional connection with motor areas, present in both Word and Pseudo-Word listening. The inability of the participant to produce the Reversed-Word stimuli also evidenced two separate networks: the first was driven by frontal areas and the right cerebellum toward somatosensory cortices; the second was triggered by temporal and parietal sites towards motor areas. Summing up, our results suggest that semantic content modulates the general compactness of network dynamics as well as the balance between frontal and temporal language areas in driving those dynamics. The degree of reproducibility of auditory speech material modulates the connectivity pattern within and toward somatosensory and motor areas.

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Authors
Londei, A., D'Ausilio, A., Basso, D., Sestieri, C., Gratta, C. D., Romani, G., & Belardinelli, M. O.
Affiliations
  • Sapienza University of Rome (IT)
  • University of Padua (IT)
  • University of Chieti-Pescara (IT)
Venue
Human Brain Mapping
Publisher
Wiley
Published
2010-03-10
Volume
31
Issue
4
Pages
567-580
ISSN
  • 1065-9471 (ISSN-L)
  • 1097-0193
OpenAlex
W2090655119
Cited by
90
References
71
Citations by year
2025: 4 · 2024: 3 · 2023: 8 · 2022: 8 · 2021: 6 · 2020: 4 · 2019: 6 · 2018: 5 · 2017: 5 · 2016: 6 · 2015: 6 · 2014: 6 · 2013: 5 · 2012: 2
FWCI
2.87
Type
journal article
Language
en
Open access
Locations
  • Human Brain Mapping (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • IRIS Research product catalog (Sapienza University of Rome) (submittedVersion)
  • Institutional Research Information System University of Ferrara (University of Ferrara) (submittedVersion)
  • Open Research (University of Surrey) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Social Sciences › Psychology › Social Psychology › Action Observation and Synchronization
Keywords
speech understanding, functional connectivity, brain network dynamics, passive listening, pseudowords, Broca's area, Wernicke's area, superior temporal gyrus, inferior frontal gyrus, semantic content, independent component analysis, Granger causality
MeSH terms
Acoustic Stimulation, Adult, Algorithms, Brain, Brain Mapping, Humans, Magnetic Resonance Imaging, Male, Models, Neurological, Neural Pathways, Signal Processing, Computer-Assisted, Speech, Speech Perception, Comprehension, Pattern Recognition, Physiological

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