Cited by 135Neurobiology of Language and BilingualismReading and Literacy DevelopmentPhonetics and Phonology Research

A systematic investigation of the functional neuroanatomy of auditory and visual phonological processing

Burton, Martha W., LoCasto, Paul C., Krebs-Noble, Donna, Gullapalli, Rao P.·2005·NeuroImage

Abstract

Neuroimaging studies of auditory and visual phonological processing have revealed activation of the left inferior and middle frontal gyri. However, because of task differences in these studies (e.g., consonant discrimination versus rhyming), the extent to which this frontal activity is due to modality-specific linguistic processes or to more general task demands involved in the comparison and storage of stimuli remains unclear. An fMRI experiment investigated the functional neuroanatomical basis of phonological processing in discrimination and rhyming tasks across auditory and visual modalities. Participants made either "same/different" judgments on the final consonant or rhyme judgments on auditorily or visually presented pairs of words and pseudowords. Control tasks included "same/different" judgments on pairs of single tones or false fonts and on the final member in pairs of sequences of tones or false fonts. Although some regions produced expected modality-specific activation (i.e., left superior temporal gyrus in auditory tasks, and right lingual gyrus in visual tasks), several regions were active across modalities and tasks, including posterior inferior frontal gyrus (BA 44). Greater articulatory recoding demands for processing of pseudowords resulted in increased activation for pseudowords relative to other conditions in this frontal region. Task-specific frontal activation was observed for auditory pseudoword final consonant discrimination, likely due to increased working memory demands of selection (ventrolateral prefrontal cortex) and monitoring (mid-dorsolateral prefrontal cortex). Thus, the current study provides a systematic comparison of phonological tasks across modalities, with patterns of activation corresponding to the cognitive demands of performing phonological judgments on spoken and written stimuli.

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Crossref · 10.1016/j.neuroimage.2005.02.024

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Authors
Burton, M. W., LoCasto, P. C., Krebs-Noble, D., & Gullapalli, R. P.
Affiliations
University of Maryland, Baltimore (US)
Corresponding author
Burton, Martha W.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2005-07
Volume
26
Issue
3
Pages
647-661
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2024449923
Cited by
135
References
56
Citations by year
2026: 2 · 2025: 4 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 6 · 2020: 2 · 2019: 4 · 2018: 6 · 2017: 8 · 2016: 10 · 2015: 8 · 2014: 9 · 2013: 6 · 2012: 11
FWCI
4.94
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (DC R01-04202, DC T32 DC000061)
  • University of Maryland, Baltimore County
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Social Sciences › Psychology › Developmental and Educational Psychology › Reading and Literacy Development
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Phonetics and Phonology Research
Keywords
phonological processing, posterior inferior frontal gyrus, pseudowords, consonant discrimination, rhyme judgment, working memory load, ventrolateral prefrontal cortex, dorsolateral prefrontal cortex, left frontal cortex
MeSH terms
Acoustic Stimulation, Adult, Auditory Perception, Brain Mapping, Cerebral Cortex, Data Interpretation, Statistical, Discrimination, Psychological, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Nerve Net, Photic Stimulation, Reaction Time, Reading, Speech Perception, Visual Perception

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