Relationships between intrinsic functional connectivity, cognitive control, and reading achievement across
Dietsje D Jolles1, Eva Mennigen2, Mohan W Gupta3
1Department of Psychology, University of California, Los Angeles, Los Angeles, CA, United States; Institute of Education and Child Studies, Leiden University, Leiden, the Netherlands; Leiden Institute for Brain and Cognition, Leiden University, Leiden, the Netherlands.
Neuroimage
|July 31, 2020
Summary
Brain network organization impacts reading skills. Stronger frontoparietal lateralization and specific striatal connectivity relate to better reading achievement, mediated by cognitive control abilities.
Area of Science:
- Neuroscience
- Cognitive Science
- Developmental Psychology
Background:
- Individual differences in reading achievement are significant.
- These variations may stem from functional brain network organization beyond domain-specific regions.
Purpose of the Study:
- To explore the relationship between functional brain connectivity and reading performance.
- To investigate if cognitive control abilities mediate this brain-behavior link.
Main Methods:
- Utilized resting-state functional MRI data from the Philadelphia Neurodevelopmental Cohort (N=553, ages 8-22).
- Examined functional connectivity within and between cognitive control networks.
- Assessed reading achievement using the Wide Range Achievement Word Reading Test (WRAT-Reading).
Main Results:
- Higher WRAT-Reading scores correlated with stronger frontoparietal network lateralization.
- Increased connectivity between the dorsal striatum and dorsal attention network was observed.
- Reduced connectivity between dorsal and ventral striatum was found.
- Cognitive control abilities mediated the relationship between functional connectivity and reading performance, not other cognitive domains.
- Brain-behavior relationships remained stable across the developmental age range.
Conclusions:
- Functional connectivity in domain-general control networks is crucial for reading achievement.
- Inter-individual variability in brain network architecture significantly influences academic performance.
- Cognitive control is a key mediator linking brain network organization to reading skills.
Keywords:
Cognitive controlDevelopmentExecutive functionsFunctional connectivityReading achievementResting-state fMRIWord readingMore Related Videos
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