Cognitive Control Over Visual Motion Processing - Are Children With ADHD Especially Compromised? A Pilot Study of
Bettina Lange-Malecki1, Stefan Treue1,2,3,4, Aribert Rothenberger5
1German Primate Center - Leibniz Institute for Primate Research, Göttingen, Germany.
Frontiers in Human Neuroscience
|December 21, 2018
Summary
Children with attention deficit/hyperactivity disorder (ADHD) show cognitive control deficits independent of stimulus type. These attention deficits persist even when processing complex visual motion, suggesting a higher-order issue.
Area of Science:
- Neuroscience
- Developmental Psychology
- Cognitive Psychology
Background:
- Attention deficit/hyperactivity disorder (ADHD) is linked to executive attention deficits.
- Previous research focused on static visual stimuli, overlooking motion processing.
- Differences in processing static vs. motion stimuli are not well understood in ADHD.
Purpose of the Study:
- To compare cognitive control and electrophysiological responses to static and moving stimuli in ADHD.
- To investigate if ADHD-related deficits extend to visual motion processing.
- To determine the order and stimulus independence of cognitive control deficits in ADHD.
Main Methods:
- Utilized Flanker Tasks with static and moving random dot patterns.
- Recorded behavioral data (accuracy, response time) and event-related potentials (ERPs).
- Compared 16 boys with ADHD (combined type) to 26 typically developing controls (ages 8-15).
Main Results:
- ADHD group exhibited lower accuracy, particularly with moving stimuli, and slower responses.
- Trends showed diminished N2-enhancements and smaller error-negativities in ADHD.
- Significantly lower error positivities were observed in ADHD for both stimulus types.
Conclusions:
- Cognitive control deficits in ADHD are higher-order and stimulus-independent.
- Motion processing may be less developed in childhood, impacting attentional control.
- Findings highlight the need to consider dynamic visual stimuli in ADHD research.
Keywords:
Flanker-TaskN2attention deficit/hyperactivity disorder (ADHD)cognitive controlerror negativity (Ne ERN)error positivity (Pe)visual motionMore Related Videos
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