Preliminary Evidence for Aberrant Cortical Development in Abused Children: A Quantitative EEG Study
Abstract
The objectives of this study were to investigate cortical development and hemispheric asymmetry in abused children. Fifteen hospitalized children (mean age 10.7 +/- 2.5 years) with severe physical or sexual abuse and 15 normal children (10.1 +/- 3.1 years) were studied with quantitative EEG. Abused children had higher levels of left hemisphere coherence and a reversed asymmetry, with left hemisphere coherence significantly exceeding right hemisphere coherence. Left hemisphere coherence decreased more rapidly across electrode distance in normal subjects, suggesting that increased left coherence in abused patients stemmed from a deficit in left cortical differentiation. These findings support the hypothesis that early severe abuse may have a deleterious effect on brain development.
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Abused children show alterations in EEG activity in the frontal cortex.
“Abused children also show alterations in EEG activity in the frontal cortex (Teicher 1994, 1997; Ito 1998).”
From The enduring effects of abuse and related adverse experiences in childhood: A convergence of evidence from neurobiology and epidemiology (2006) · cites this paper as Ito 1998
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- Authors
- Ito, Y., Teicher, M. H., Glod, C. A., & Ackerman, E.
- Affiliations
- Harvard University (US)
- Venue
- The Journal of Neuropsychiatry and Clinical Neurosciences
- Published
- 1998-08
- Volume
- 10
- Issue
- 3
- Pages
- 298-307
- ISSN
- 0895-0172 (ISSN-L)
- 1545-7222
- OpenAlex
- W1708055969
- Cited by
- 139
- References
- 2
- Citations by year
- 2024: 3 · 2022: 1 · 2021: 1 · 2020: 4 · 2019: 1 · 2018: 5 · 2017: 2 · 2016: 4 · 2015: 8 · 2014: 4 · 2013: 12 · 2012: 8
- FWCI
- 7.50
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Neuropsychiatry (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institutes of Health (5r01mh053636-04)
- National Institute of Mental Health (R01 MH53636)
- Topics
- Social Sciences › Psychology › Clinical Psychology › Child Abuse and Trauma
- Life Sciences › Neuroscience › Cognitive Neuroscience › Hemispheric Asymmetry in Neuroscience
- Social Sciences › Psychology › Clinical Psychology › Psychopathy, Forensic Psychiatry, Sexual Offending
- Keywords
- child abuse, physical abuse, sexual abuse, cortical development, hemispheric lateralization, quantitative EEG, brain development, hospitalized children
- MeSH terms
- Adolescent, Brain Damage, Chronic, Brain Mapping, Cerebral Cortex, Child, Child Abuse, Child Abuse, Sexual, Cortical Synchronization, Dominance, Cerebral, Electroencephalography, Female, Fourier Analysis, Humans, Male, Risk Factors, Signal Processing, Computer-Assisted
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