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The Impact of Concurrent Noise on Visual Search in Children With ADHD
Rosemary Allen1, Kristen Pammer1
11 Australian National University, Canberra, Australia.
Insights
Adding white noise to classroom sounds did not change overall attention task performance in children with ADHD. However, the effect of white noise varied based on whether the children were taking ADHD medication.
Area of Science:
- Neuroscience
- Child Psychology
- Cognitive Science
Background:
- Attention-Deficit/Hyperactivity Disorder (ADHD) is a neurodevelopmental disorder characterized by persistent patterns of inattention and/or hyperactivity-impulsivity.
- Selective attention, the ability to focus on relevant stimuli while ignoring distractions, is often impaired in children with ADHD.
- Environmental stimuli, such as noise, can impact cognitive performance, particularly in individuals with attention deficits.
Purpose of the Study:
- To investigate the effect of a concurrent "white noise" stimulus on selective attention in children diagnosed with ADHD.
- To determine if white noise influences task performance metrics like accuracy and reaction time in this population.
Main Methods:
- A cohort of 33 children (aged 7-14) with a prior ADHD diagnosis participated.
- Participants completed a computer-based conjunction search task under two auditory conditions: classroom noise alone, and classroom noise combined with white noise (rain sounds).
- Performance was assessed by measuring target detection accuracy, mean reaction time (RT), and reaction time variability (standard deviation).
Main Results:
- No significant overall differences in target detection accuracy, mean RT, or RT variability were observed between the classroom noise and the classroom noise + white noise conditions.
- The impact of the white noise stimulus on visual search performance was found to be dependent on the children's medication status.
- Preliminary findings suggest potential differential effects of white noise based on medication use.
Conclusions:
- White noise, when added to a classroom noise environment, did not universally alter selective attention performance in children with ADHD.
- The study suggests that white noise may enhance task engagement for children with ADHD who are not on medication.
- White noise could potentially serve as a beneficial adjunct to medication for improving task performance in children with ADHD.
Objective:
The purpose of this study was to investigate the impact of a concurrent "white noise" stimulus on selective attention in children with ADHD.
Method:
Participants were 33 children aged 7 to 14 years, who had been previously diagnosed with ADHD. All children completed a computer-based conjunction search task under two noise conditions: a classroom noise condition and a classroom noise + white noise condition. The white noise stimulus was sounds of rain, administered using an iPhone application called Sleep Machine.
Results:
There were no overall differences between conditions for target detection accuracy, mean reaction time (RT), or reaction time variability ( SD). The impact of white noise on visual search depended on children's medication status.
Conclusion:
White noise may improve task engagement for non-medicated children. White noise may be beneficial for task performance when used as an adjunct to medication.
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