Plugging the attention deficit: perceptual load counters increased distraction in ADHD.
Sophie Forster1, David J Robertson2, Alistair Jennings2
1Department of Clinical, Educational, and Health Psychology, University College London.
Adults with Attention-Deficit Hyperactivity Disorder (ADHD) experience greater distraction, but high perceptual load effectively reduces this interference. This finding offers a potential strategy for managing ADHD-related attention deficits.
Area of Science:
- Cognitive Psychology
- Neurodevelopmental Disorders
Background:
- Attention-Deficit Hyperactivity Disorder (ADHD) is characterized by heightened sensitivity to distractions.
- Load Theory suggests increased perceptual load can enhance attentional focus.
Purpose of the Study:
- To investigate if high perceptual load can improve focused attention in adults with ADHD.
- To explore a potential method for ameliorating distraction in ADHD.
Main Methods:
- Adults with ADHD and controls performed a letter search task with varying perceptual load.
- Infrequent, salient cartoon distractors were presented to measure interference effects.
Main Results:
- Distractors significantly interfered more with reaction times in adults with ADHD compared to controls.
- Increased perceptual load effectively reduced distractor interference for both groups.
Conclusions:
- High perceptual load can mitigate attention deficits in adults with ADHD.
- This study clarifies the attentional mechanisms underlying ADHD-related distraction.
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