ADHD Type and Comorbid Conditions Significantly Impact Information Processing

Visual and auditory information are processed differently by children with ADHD, depending on their diagnosed ADHD subtype and the presence of comorbid conditions, according to a new Journal of Attention Disorders study.

6/12/2021 7:09:00 PM

Visual and auditory information are processed differently by children with ADHD, depending on their diagnosed ADHD subtype and the presence of comorbid conditions, according to a new Journal of Attention Disorders study.

Children with combined-type ADHD are able to achieve faster, more accurate processing when given information visually, partially overcoming a relative weakness revealed in a recent study exploring cognitive distinctions between patients with combined-type vs. inattentive-type ADHD, plus those with comorbid anxiety and oppositional defiant disorder (ODD).

1Notably, the research found that children with combined-type ADHD respond best to visual information, though children without ADHD outperform those with inattentive- or combined-type ADHD on Continuous Performance Tests measuring attention, inhibition, and working memory.

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One hundred fifty participants, aged 7 to 10, were grouped according to ADHD presentation (combined or inattentive) or comorbid diagnosis (anxiety, ODD, both, or neither). Their performance on the Integrated Visual and Auditory Continuous Performance Test (IVA-CPT) was compared to a control group of 60 children without ADHD. Diffusion decision modelling was used to break down performance into cognitive components.

Children with combined- orinattentive-type ADHDhad slower and less accurate visual and auditory processing than did controls. Those with combined-type ADHD were more sensitive to changes in presentation modality than those with inattentive-type and controls; they reacted more favorably to visual information than they did to auditory information, overall. “These results could be important for educational strategies regarding the most useful modality for presentation of educational materials: in a context with frequent targets (go stimuli), presenting them visually rather than auditorily helped particularly children with ADHD-C to achieve faster and more accurate processing,” the study reported. headtopics.com

Read more: ADDitude »

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