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Updated: Jun 1, 2026
Cortical Source Analysis of High-Density EEG Recordings in Children
Published on: June 30, 2014
Cortical activity and children's rituals, habits and other repetitive behavior: a visual P300 study
David W Evans1, Ashley Maliken
1Program in Neuroscience, Bucknell University, USA. dwevans@bucknell.edu
Insights
Children's repetitive behaviors correlate with faster brain processing of asymmetrical stimuli. This finding links typical repetitive actions to brain activity seen in disorders like OCD and autism spectrum disorder.
Area of Science:
- Neuroscience
- Developmental Psychology
- Child Psychiatry
Background:
- Repetitive behaviors are common in childhood and can be indicative of various neurodevelopmental disorders.
- Understanding the neural underpinnings of these behaviors is crucial for early identification and intervention.
Purpose of the Study:
- To investigate the relationship between children's repetitive behaviors and cortical brain activity.
- To explore if sensitivity to asymmetry is linked to faster information processing in children.
Main Methods:
- Utilized electroencephalogram (EEG) with a 32-electrode system to measure brain activity in 12 typically developing children (ages 6-12).
- Administered two visual P300 oddball tasks, one designed to assess asymmetry sensitivity.
- Collected data on repetitive behaviors using the Childhood Routines Inventory.
Main Results:
- A significant association was found between children's repetitive behaviors and faster processing of asymmetrical target stimuli.
- This link remained significant even when controlling for P300 latencies on a control task.
Conclusions:
- The study highlights a continuity between brain-behavior associations in clinical disorders and normative repetitive behaviors.
- Findings suggest that faster processing of asymmetrical stimuli may be a neural correlate of repetitive behaviors in children.
Abstract:
This study examines the link between children's repetitive, ritualistic, behavior and cortical brain activity. Twelve typically developing children between the ages of 6 and 12 years were administered two visual P300, oddball tasks with a 32-electrode electroencephalogram (EEG) system. One of the oddball tasks was specifically designed to reflect sensitivity to asymmetry, a phenomenon common in children and in a variety of disorders involving compulsive behavior. Parents completed the Childhood Routines Inventory. Children's repetitive, compulsive-like behaviors were strongly associated with faster processing of an asymmetrical target stimulus, even when accounting for their P300 latencies on a control task. The research punctuates the continuity between observed brain-behavior links in clinical disorders such as OCD and autism spectrum disorders, and normative variants of repetitive behavior.
