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EEG Mu Rhythm in Typical and Atypical Development
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[Comparative EEG study in normal and autistic children].

E A Lushchekina, E D Podreznaia, V S Lushchekin

    Zhurnal Vysshei Nervnoi Deiatelnosti Imeni I P Pavlova
    |March 26, 2011
    PubMed
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    This study compared electroencephalogram (EEG) brain activity in autistic and healthy boys. Autistic boys showed right-sided alpha band dominance and higher gamma band power at rest.

    Area of Science:

    • Neuroscience
    • Developmental Psychology
    • Biomedical Engineering

    Background:

    • Autism Spectrum Disorder (ASD) is a neurodevelopmental condition affecting social interaction and communication.
    • Understanding the neural underpinnings of ASD in children is crucial for developing targeted interventions.
    • Previous research suggests differences in brain activity patterns between autistic and neurotypical individuals.

    Purpose of the Study:

    • To comparatively analyze spectral power and coherence in alpha, beta, and gamma electroencephalogram (EEG) bands.
    • To investigate brain activity in 5-to-7-year-old autistic and healthy boys during rest and cognitive load (mental calculation).
    • To identify potential EEG biomarkers differentiating autistic children.

    Main Methods:

    • Comparative analysis of spectral power and averaged coherence in EEG bands (alpha, beta, gamma).

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    Published on: December 7, 2018

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    Last Updated: Jun 3, 2026

    EEG Mu Rhythm in Typical and Atypical Development
    11:50

    EEG Mu Rhythm in Typical and Atypical Development

    Published on: April 9, 2014

    A Semantic Priming Event-related Potential (ERP) Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
    08:17

    A Semantic Priming Event-related Potential (ERP) Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder

    Published on: April 12, 2018

    Comparing Eye-tracking Data of Children with High-functioning ASD, Comorbid ADHD, and of a Control Watching Social Videos
    05:32

    Comparing Eye-tracking Data of Children with High-functioning ASD, Comorbid ADHD, and of a Control Watching Social Videos

    Published on: December 7, 2018

  • Inclusion of 5-to-7-year-old boys, both autistic and healthy, with a mean age of 6 years 4 months.
  • Assessment of brain activity during resting state and cognitive load (mental calculation).

    • Main Results:

    • Both groups exhibited a frontal-occipital gradient in alpha activity at baseline.
    • Cognitive tasks modulated alpha band spectral power, enhancing alpha1 and alpha3, and shifting maximum to the left hemisphere.
    • Autistic children displayed right-sided dominance in alpha band spectral power and higher baseline gamma band power compared to healthy controls.

    Conclusions:

    • Cognitive load impacts EEG spectral power differently in healthy and autistic children.
    • Distinct patterns in alpha and gamma band activity may serve as indicators for autism spectrum disorder in young boys.
    • Further research into hemispheric dominance and fast rhythm activity in ASD is warranted.