Age and gender effects in EEG coherence: i. Developmental trends in normal children
Abstract
Objective This study investigated intra-hemispheric and inter-hemispheric EEG coherences as a function of age and gender in normal children.Methods Two groups of 40 boys and 40 girls, each containing 8 normal children in each 1-year band from 8 to 12 years, participated. EEG was recorded from 21 sites during an eyes-closed resting condition. Wave-shape coherence was calculated for 8 intra-hemispheric electrode pairs (4 in each hemisphere), and 8 inter-hemispheric electrode pairs, within each of the delta, theta, alpha and beta bands.Results There was consistent evidence of coherences developing across this age range, particularly in long-range intra- and inter-hemispheric electrode pairs. Coherences were larger in the left hemisphere than the right. Coherences also appeared to develop further in males than females, across several regions and frequency bands, suggesting that females lag males in this aspect of brain development.Conclusions EEG coherences in normal children of this age range develop systematically with age. These developmental effects vary substantially with gender, brain region and frequency bands.Significance The data reported here provide basic norms for coherence development in different brain regions in normal children.
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From roughly 5 years of age until adulthood, theta, alpha, and beta oscillation networks exhibit concurrent increases in clustering coefficient and strength of long-range anterior-posterior and interhemispheric connections.
“From roughly 5 years of age until adulthood, theta (~4Hz), alpha (~10Hz), and beta (~20Hz) oscillation networks exhibit concurrent increases in clustering coefficient (Boersma et al., 2011; Smit et al., 2012) and strength of long-range anterior-posterior and interhemispheric connections (Barry et al., 2004; Miskovic et al., 2015; Smit et al., 2012; Srinivasan, 1999).”
From Development of large-scale functional networks from birth to adulthood: A guide to the neuroimaging literature (2017) · cites this paper as Barry et al., 2004
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References 27 · Cited by 104
- Authors
- Barry, R. J., Clarke, A. R., McCarthy, R., Selikowitz, M., Johnstone, S. J., & Rushby, J. A.
- Affiliations
- University of Wollongong (AU)
- Corresponding author
- Barry, Robert J.
- Venue
- Clinical Neurophysiology
- Publisher
- Elsevier BV
- Published
- 2004-10
- Volume
- 115
- Issue
- 10
- Pages
- 2252-2258
- ISSN
- 1388-2457 (ISSN-L)
- OpenAlex
- W2114427007
- Cited by
- 104
- References
- 27
- Citations by year
- 2026: 2 · 2025: 6 · 2024: 5 · 2023: 5 · 2022: 8 · 2021: 1 · 2020: 4 · 2019: 9 · 2018: 7 · 2017: 3 · 2016: 3 · 2015: 4 · 2014: 3 · 2013: 5 · 2012: 5
- FWCI
- 1.51
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Clinical Neurophysiology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Life Sciences › Neuroscience › Cognitive Neuroscience › EEG and Brain-Computer Interfaces
- Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
- Keywords
- EEG coherence, brain development, age differences, gender differences, interhemispheric coherence, hemispheric lateralization, children, resting-state EEG, frequency bands, developmental norms
- MeSH terms
- Aging, Child, Child Development, Electroencephalography, Female, Humans, Functional Laterality, Male, Reference Values, Sex Characteristics
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