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Published on: December 7, 2018
A comparative study of sustained attentional bias on emotional processing in ADHD children to pictures with
Ebrahim Pishyareh1, Mehdi Tehrani-Doost2, Javad Mahmoodi-Gharaie2
1Cognitive Neuroscience PhD, Department of Occupational Therapy, University of Social Welfare and Rehabilitation sciences (USWR), Tehran, Iran. ; Institute of Cognitive Science Studies (ICSS), Tehran, Iran.
Objective:
ADHD children have anomalous and negative behavior especially in emotionally related fields when compared to other. Evidence indicates that attention has an impact on emotional processing. The present study evaluates the effect of emotional processing on the sustained attention of children with ADHD type C.
Materials & Methods:
Sixty participants form two equal groups (each with 30 children) of normal and ADHD children) and each subject met the required selected criterion as either a normal or an ADHD child. Both groups were aged from 6-11-years-old. All pictures were chosen from the International Affective Picture System (IAPS) and presented paired emotional and neutral scenes in the following categories: pleasant-neutral; pleasant-unpleasant; unpleasant-neutral; and neutral-neutral. Sustained attention was evaluated based on the number and duration of total fixation and was compared between the groups with MANOVA analysis.
Results:
The duration of sustained attention on pleasant in the pleasant-unpleasant pair was significant. Bias in duration of sustained attention on pleasant scenes in pleasant-neutral pairs is significantly different between the groups.
Conclusion:
Such significant differences might be indicative of ADHD children deficiencies in emotional processing. It seems that the highly deep effect of emotionally unpleasant scenes to gain the focus of ADHD children's attention is responsible for impulsiveness and abnormal processing of emotional stimuli.
