Transient beta events (TBE) during electroencephalography (EEG) reflect thalamocortical activity, bridging genotype to phenotype and impacting sensory responsivity. Compared to typically developing controls, we found elevated TBE rate in some children with idiopathic Autism Spectrum Disorder (ASD) and a majority of children with Phelan-McDermid Syndrome, Rett Syndrome, and SYNGAP1 -related disorder. TBE rate thus offers promise as a stratification biomarker with divergent and convergent properties across ASD and neurogenetic conditions, respectively.
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Parra et al. (2026) studied this question.
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