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1
Examining the relationship between home literacy environment and neural correlates of phonological processing in beginning readers with and without a familial risk for dyslexia: an fMRI study
In: Center for Brain, Biology and Behavior: Papers & Publications (2017)
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2
Physical Feature Encoding and Word Recognition Abilities Are Altered in Children with Intractable Epilepsy: Preliminary Neuromagnetic Evidence
In: Center for Brain, Biology and Behavior: Papers & Publications (2015)
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3
Concordance of MEG and fMRI patterns in adolescents during verb generation
In: Center for Brain, Biology and Behavior: Papers & Publications (2013)
Abstract: In this study we focused on direct comparison between the spatial distributions of activation detected by functional magnetic resonance imaging (fMRI) and localization of sources detected by magnetoencephalography (MEG) during identical language tasks. We examined the spatial concordance between MEG and fMRI results in 16 adolescents performing a three-phase verb generation task that involves repeating the auditorily presented concrete noun and generating verbs either overtly or covertly in response to the auditorily presented noun. MEG analysis was completed using a synthetic aperture magnetometry (SAM) technique, while the fMRI data were analyzed using the general linear model approach with random-effects. To quantify the agreement between the two modalities, we implemented voxel-wise concordance correlation coefficient (CCC) and identified the left inferior frontal gyrus and the bilateral motor cortex with high CCC values. At the group level, MEG and fMRI data showed spatial convergence in the left inferior frontal gyrus for covert or overt generation versus overt repetition, and the bilateral motor cortex when overt generation versus covert generation. These findings demonstrate the utility of the CCC as a quantitative measure of spatial convergence between two neuroimaging techniques.
Keyword: Analytical; Behavior and Behavior Mechanisms; Concordance correlation coefficient; Diagnostic and Therapeutic Techniques and Equipment; fMRI; Life Sciences; Medicine and Health Sciences; MEG; Nervous System; Neuroscience and Neurobiology; Other Analytical; Other Neuroscience and Neurobiology; Other Psychiatry and Psychology; Psychiatry and Psychology; Rehabilitation and Therapy; Sports Sciences; Verb generation
URL: https://digitalcommons.unl.edu/cbbbpapers/48
https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1054&context=cbbbpapers
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4
Neuromagnetic measures of word processing in bilinguals and monolinguals
In: Center for Brain, Biology and Behavior: Papers & Publications (2011)
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