Cited by 55Neurobiology of Language and BilingualismPhonetics and Phonology ResearchNeuroscience and Music Perception

Temporal order processing of syllables in the left parietal lobe

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Moser, Dana, Baker, Julie M., Sanchez, Carmen E., Rorden, Chris, Fridriksson, Julius·2009·The Journal of Neuroscience

Abstract

Speech processing requires the temporal parsing of syllable order. Individuals suffering from posterior left hemisphere brain injury often exhibit temporal processing deficits as well as language deficits. Although the right posterior inferior parietal lobe has been implicated in temporal order judgments (TOJs) of visual information, there is limited evidence to support the role of the left inferior parietal lobe (IPL) in processing syllable order. The purpose of this study was to examine whether the left inferior parietal lobe is recruited during temporal order judgments of speech stimuli. Functional magnetic resonance imaging data were collected on 14 normal participants while they completed the following forced-choice tasks: (1) syllable order of multisyllabic pseudowords, (2) syllable identification of single syllables, and (3) gender identification of both multisyllabic and monosyllabic speech stimuli. Results revealed increased neural recruitment in the left inferior parietal lobe when participants made judgments about syllable order compared with both syllable identification and gender identification. These findings suggest that the left inferior parietal lobe plays an important role in processing syllable order and support the hypothesized role of this region as an interface between auditory speech and the articulatory code. Furthermore, a breakdown in this interface may explain some components of the speech deficits observed after posterior damage to the left hemisphere.

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Crossref · 10.1523/jneurosci.5934-08.2009

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Authors
Moser, D., Baker, J. M., Sanchez, C. E., Rorden, C., & Fridriksson, J.
Affiliations
University of South Carolina (US)
Corresponding author
Moser, Dana
Venue
The Journal of Neuroscience
Published
2009-10-07
Volume
29
Issue
40
Pages
12568-12573
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2164947767
Cited by
55
References
31
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2023: 16 · 2022: 4 · 2021: 1 · 2020: 2 · 2019: 1 · 2018: 3 · 2017: 2 · 2016: 4 · 2015: 4 · 2014: 2 · 2013: 2 · 2012: 4
FWCI
1.45
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • University of New Hampshire Scholars Repository (University of New Hampshire at Manchester) (submittedVersion)
Funders
National Institute on Deafness and Other Communication Disorders (R01DC008355, DC008355)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Phonetics and Phonology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
Keywords
temporal order judgment, speech processing, auditory temporal processing, speech deficits, gender identification, syllable recognition, pseudowords
MeSH terms
Adult, Auditory Perception, Brain Mapping, Female, Humans, Identification, Psychological, Parietal Lobe, Phonetics, Reference Values, Speech Perception, Young Adult

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