Cited by 286Reading and Literacy DevelopmentNeurobiology of Language and BilingualismVisual perception and processing mechanisms

Tuning of the human left fusiform gyrus to sublexical orthographic structure

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Binder, Jeffrey R., Medler, David A., Westbury, Chris F., Liebenthal, Einat, Buchanan, Lori·2006·NeuroImage

Abstract

Neuropsychological and neurophysiological evidence point to a role for the left fusiform gyrus in visual word recognition, but the specific nature of this role remains a topic of debate. The aim of this study was to measure the sensitivity of this region to sublexical orthographic structure. We measured blood oxygenation (BOLD) changes in the brain with functional magnetic resonance imaging while fluent readers of English viewed meaningless letter strings. The stimuli varied systematically in their approximation to English orthography, as measured by the probability of occurrence of letters and sequential letter pairs (bigrams) comprising the string. A whole-brain analysis showed a single region in the lateral left fusiform gyrus where BOLD signal increased with letter sequence probability; no other brain region showed this response pattern. The results suggest tuning of this cortical area to letter probabilities as a result of perceptual experience and provide a possible neural correlate for the 'word superiority effect' observed in letter perception research.

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Crossref · 10.1016/j.neuroimage.2006.06.053

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Authors
Binder, J. R., Medler, D. A., Westbury, C. F., Liebenthal, E., & Buchanan, L.
Affiliations
  • Medical College of Wisconsin (US)
  • University of Alberta (CA)
  • University of Windsor (CA)
Corresponding author
Binder, Jeffrey R.
Venue
NeuroImage
Publisher
Elsevier BV
Published
2006-11
Volume
33
Issue
2
Pages
739-748
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2070993882
Cited by
286
References
74
Citations by year
2026: 2 · 2025: 10 · 2024: 9 · 2023: 9 · 2022: 14 · 2021: 15 · 2020: 9 · 2019: 14 · 2018: 16 · 2017: 15 · 2016: 13 · 2015: 26 · 2014: 16 · 2013: 20 · 2012: 21
FWCI
23.72
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
Funders
  • National Institute of Mental Health (P01MH51358, P01MH051358)
  • National Institute of Neurological Disorders and Stroke (R01NS033576, R01 NS33576)
  • National Center for Research Resources (M01-RR00058, M01RR000058)
Topics
  • Social Sciences › Psychology › Developmental and Educational Psychology › Reading and Literacy Development
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
Keywords
fusiform gyrus, visual word recognition, bigrams, word superiority effect, letter perception, perceptual experience, English orthography, BOLD signal
MeSH terms
Adult, Brain Mapping, Cerebrovascular Circulation, Educational Status, Female, Gyrus Cinguli, Humans, Image Processing, Computer-Assisted, Functional Laterality, Magnetic Resonance Imaging, Male, Middle Aged, Oxygen, Reference Values

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