The goal of this clinical trial is to evaluate whether a digital cognitive training program can reduce symptoms of ADHD, improve executive functioning, and decrease problematic internet use in adults aged 18-65 with a diagnosis of moderate to severe ADHD. The main questions it aims to answer are: Can digital cognitive training improve executive function, and ADHD symptoms in adults with ADHD? Does digital cognitive training reduce problematic internet use in this population? Researchers will compare the digital cognitive training intervention group to a non-cognitive training digital platform to see if the training leads to greater improvements in cognitive and behavioral outcomes. Participants will: Complete an 11-week digital cognitive training program (3, 1-hour sessions/week) or placebo intervention (3, 1-hour sessions/week) Attend baseline, midpoint, and post-intervention assessments Participate in weekly check-ins to monitor engagement and tolerability
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
52
This digital cognitive training program uses gamified tasks in order to enhance cognitive skills in an engaging manner using machine learning AI algorithms to target the intervention to individual cognitive skill deficits. It consists of personalized gamified cognitive tasks that target individual cognitive deficits associated with ADHD including attention, impulsivity, working memory, and cognitive flexibility.
This is a gamified computer platform lacking cognitive training components.
Number of participants who prematurely withdraw from the study protocol
Tolerability of the digital cognitive training intervention will be assessed by calculating the number of participants who discontinue participation before completing the full 11-week study protocol. Premature withdrawal will be defined as any participant who discontinues the intervention and/or does not complete post-treatment assessments.
Time frame: From enrollment to the end of treatment at 11 weeks
The feasibility of digital cognitive training on ADHD symptoms in adults diagnosed with ADHD of moderate-severe severity
Feasibility will be evaluated based on the number of people who contact the study team, percent of people who contact who are eligible, and percent of eligible participants who enroll. Percent of participants lost to follow-up will be a key determinant of feasibility, as well as number of completers.
Time frame: From enrollment to the end of treatment at 11 weeks
The effect of digital cognitive training on ADHD symptoms in adults diagnosed with ADHD of moderate-severe severity
ADHD symptom severity will be measured via the Barkley Adult ADHD Rating Scale (BAARS-IV). The minimum score on the Barkley ADHD Rating Scale is 0, and the maximum score is 54. The scale consists of 18 items, each rated on a scale of 0 to 3, where 0 indicates the absence of the symptom and 3 indicates a high level of severity.
Time frame: From enrollment to the end of treatment at 11 weeks
The effects of digital cognitive training on problematic internet use in adults diagnosed with ADHD of moderate-severe severity
Changes in the severity of problematic internet use will be evaluated via changes in Compulsive Internet Use Scale (CIUS) scores.
Time frame: From enrollment to the end of treatment at 11 weeks
The effects of digital cognitive training on visual processing and working memory in adults diagnosed with ADHD of moderate-severe severity
Performance on Trails A and B task will be evaluated.
Time frame: From enrollment to the end of treatment at 11 weeks
The effects of digital cognitive training on cognitive flexibility in adults diagnosed with ADHD of moderate-severe severity
Performance on Berg's Card Sorting Task will be evaluated.
Time frame: From enrollment to the end of treatment at 11 weeks
The effects of digital cognitive training on working memory in adults diagnosed with ADHD of moderate-severe severity
Performance on N-back Task will be evaluated.
Time frame: From enrollment to the end of treatment at 11 weeks
The effects of digital cognitive training on verbal short-term and working memory in adults diagnosed with ADHD of moderate-severe severity
Performance on the Digit Span Test will be evaluated.
Time frame: From enrollment to the end of treatment at 11 weeks
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