Relative Power of Specific EEG Bands and Their Ratios during Neurofeedback Training in Children with Autism Spectrum Disorder

Frontiers in Human Neuroscience
Yao WangAllan Tasman

Abstract

Neurofeedback is a mode of treatment that is potentially useful for improving self-regulation skills in persons with autism spectrum disorder. We proposed that operant conditioning of EEG in neurofeedback mode can be accompanied by changes in the relative power of EEG bands. However, the details on the change of the relative power of EEG bands during neurofeedback training course in autism are not yet well explored. In this study, we analyzed the EEG recordings of children diagnosed with autism and enrolled in a prefrontal neurofeedback treatment course. The protocol used in this training was aimed at increasing the ability to focus attention, and the procedure represented the wide band EEG amplitude suppression training along with upregulation of the relative power of gamma activity. Quantitative EEG analysis was completed for each session of neurofeedback using wavelet transform to determine the relative power of gamma and theta/beta ratio, and further to detect the statistical changes within and between sessions. We found a linear decrease of theta/beta ratio and a liner increase of relative power of gamma activity over 18 weekly sessions of neurofeedback in 18 high functioning children with autism. The study indicates that ...Continue Reading

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Citations

Jul 5, 2016·Frontiers in Human Neuroscience·Indu P BodalaHasan Al-Nashash
Dec 17, 2016·Behavioral Sciences·Martha Cecilia Inga JácomeMaria de Los Angeles Robinson-Agramonte
Sep 7, 2017·Brain Topography·René LabounekJiří Jan
Jun 16, 2017·Journal of Neurodevelopmental Disorders·Dejan B BudimirovicWalter E Kaufmann
Mar 30, 2021·Neural Plasticity·Inês EstevesAgostinho Rosa
Jul 25, 2021·Sensors·Rumaisa Abu HasanSyed Saad Azhar Ali
Aug 20, 2021·Neural Computation·Noura Alotaibi, Koushik Maharatna

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Methods Mentioned

BETA
pharmacotherapy

Software Mentioned

Matlab
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NFB
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