The DOI matches its Crossref record; 59 of the 59 references it cites were found in a registry or an index.
Speed of lexical decision correlates with diffusion anisotropy in left parietal and frontal white matter: Evidence from diffusion tensor imaging.
Open accessAbstract
Speed of visual word recognition is an important variable affecting linguistic competence. Although speed of visual word recognition varies widely between individuals, the neural basis of reaction time (RT) differences is poorly understood. Recently, a magnetic resonance technique called diffusion tensor imaging (DTI) has been shown to provide information about white matter (WM) microstructure in vivo. Here, we used DTI to explore whether visual word recognition RT correlates with regional fractional anisotropy (FA) values in the WM of healthy young adults. Participants completed a speeded lexical decision task that involved visual input, linguistic processes, and a motor response output. Results indicated that lexical decision RT was correlated negatively with FA in WM of inferior parietal and frontal language regions rather than in WM of visual or motor regions. Voxels within the inferior parietal and frontal correlation clusters were composed primarily of DTI-based tracts oriented in the anterior-posterior orientation at or near the superior longitudinal fasciculus (SLF) and likely including other smaller association fibers. These results provide new microstructural evidence demonstrating that speed of lexical decision is associated with the degree to which portions of frontal and parietal WM are directionally oriented.
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“We used FA-weighted structural networks for the statistical analysis since FA values have been considered to represent the level of microstructural organization of WM tracts (Beaulieu, 2002), known to be associated with the efficacy of the connections (Ewing-Cobbs et al., 2006; Gold et al., 2007)”
From Effects of Alzheimer’s and Vascular Pathologies on Structural Connectivity in Early- and Late-Onset Alzheimer’s Disease (2021) · cites this paper as Gold et al., 2007
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“This is plausible because individual differences in behavioral performance have been associated with FA variability in adults (Gold et al., 2007;Wolbers, Schoell, & Buchel, 2006) as well as in children.”
From White Matter Microstructure in Superior Longitudinal Fasciculus Associated with Spatial Working Memory Performance in Children (2011) · cites this paper as Gold et al., 2007
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Metadata
- Authors
- Gold, B. T., Powell, D. K., Xuan, L., Jiang, Y., & Hardy, P. A.
- Affiliations
- University of Kentucky (US)
- Corresponding author
- Gold, Brian T.
- Venue
- Neuropsychologia
- Publisher
- Elsevier BV
- Published
- 2007-01
- Volume
- 45
- Issue
- 11
- Pages
- 2439-2446
- ISSN
- 0028-3932 (ISSN-L)
- PMC
- PMC2965058
- OpenAlex
- W2085836244
- Cited by
- 115
- References
- 59
- Citations by year
- 2026: 3 · 2024: 3 · 2023: 1 · 2022: 4 · 2021: 6 · 2020: 3 · 2019: 2 · 2018: 6 · 2017: 5 · 2016: 9 · 2015: 5 · 2014: 8 · 2013: 7 · 2012: 7
- FWCI
- 8.68
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Neuropsychologia (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- UKnowledge (University of Kentucky) (submittedVersion)
- Funders
- National Institutes of Health
- National Institute on Aging (P50AG005144, P50 AG05144-21)
- National Institute on Deafness and Other Communication Disorders (R03DC007315, DC007315)
- Topics
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
- Social Sciences › Psychology › Developmental and Educational Psychology › Reading and Literacy Development
- Keywords
- lexical decision, reaction time, fractional anisotropy, white matter microstructure, visual word recognition, inferior parietal cortex, frontal cortex, superior longitudinal fasciculus, association fibers, language processing
- MeSH terms
- Adult, Brain Mapping, Female, Frontal Lobe, Humans, Magnetic Resonance Imaging, Male, Nerve Fibers, Myelinated, Parietal Lobe, Photic Stimulation, Reaction Time, Reading, Reference Values, Anisotropy, Recognition, Psychology
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