Findings show inconsistent impacts of psychostimulants on motor and cognitive function in adults with ADHD, suggesting future considerations for disorder severity.
In summary, psychostimulant medication did not show consistent overall differences in motor and cognitive performance among adults with ADHD. Importantly, when stratifying by disorder severity, some group-level differences emerged, underscoring the need to account for disorder severity in future research and clinical assessment.
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Cundari et al. (2026) studied this question.
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