Inter-subject gamma oscillation synchronization as a biomarker of abnormal processing of social interaction in ADHD
Ming-Tao Yang1,2, Hueng-Chuen Fan3,4,5, Hsin-Ju Lee6,7
1Department of Pediatrics, Far Eastern Memorial Hospital, No. 21, Sec. 2, Nanya S. Rd., Banciao Dist., New Taipei City, 220, Taiwan. mingtao.yang.tw@gmail.com.
Insights
Children with attention-deficit hyperactivity disorder (ADHD) show different brain activity during social interactions compared to controls. Naturalistic stimuli revealed distinct neural patterns, offering potential for diagnosis and treatment assessment.
Area of Science:
- Neuroscience
- Developmental Psychology
- Child Psychiatry
Background:
- Children with ADHD often struggle with social interactions.
- Conventional methods for studying social perception in ADHD are limited by artificial stimuli.
- Understanding the neural basis of social interaction deficits in ADHD is crucial.
Purpose of the Study:
- To investigate the neural correlates of social perception in children with ADHD using naturalistic stimuli.
- To compare brain activity patterns during social interaction processing between children with ADHD and typically developing controls.
- To identify potential neural markers for differentiating ADHD and assessing treatment efficacy.
Main Methods:
- Electroencephalography (EEG) was used to record brain activity.
- Participants included 20 children with ADHD and 20 age- and sex-matched controls.
- Tailored movies depicting high- and low-level social interactions served as naturalistic stimuli.
Main Results:
- Both groups showed synchronized gamma-band oscillations, but controls exhibited higher inter-subject correlations.
- The difference in inter-subject correlations between high- and low-interaction movies was greater in controls.
- Distinct patterns of brain activity (right parietal vs. left occipital lobe weighting) were observed between groups in specific frequency bands (55-75 Hz).
Conclusions:
- Naturalistic stimuli reveal distinct spatiotemporal neural signatures in social interaction processing for children with ADHD.
- These neural markers may aid in differentiating ADHD groups and evaluating intervention effectiveness.
- The findings advance the understanding of ADHD-related social interaction mechanisms.
Abstract:
Children with attention-deficit hyperactivity disorder (ADHD) have difficulties in social interactions. Studying brain activity during social interactions is difficult with conventional artificial stimuli. This pioneering study examined the neural correlates of social perception in children with ADHD and matched controls using naturalistic stimuli. We presented 20 children with ADHD and 20 age-and-sex-matched controls with tailored movies featuring high- or low-level social interactions while recording electroencephalographic signals. Both groups exhibited synchronized gamma-band oscillations, but controls demonstrated greater inter-subject correlations. Additionally, the difference in inter-subject correlations between high- and low-interaction movies was significantly larger in controls compared to ADHD patients. Between 55 and 75 Hz comparing viewing high interaction movies with low interaction moves, controls had a significantly larger weighting in the right parietal lobe, while ADHD patients had a significantly smaller weighting in the left occipital lobe. These findings reveal distinct spatiotemporal neural signatures in social interaction processing among children with ADHD and controls using naturalistic stimuli. These neural markers offer potential for group differentiation and assessing intervention efficacy, advancing our understanding ADHD-related social interaction mechanisms.
