Narrative review explores shared mechanisms and symptoms of ADHD in various disorders, suggesting deeper insights into treatment.
Attention-deficit/hyperactivity disorder (ADHD) is a prevalent neurodevelopmental disorder characterized by inattention, hyperactivity, and impulsivity that impair functioning across multiple situations. Despite extensive research on its clinical presentation, neurobiological substrates, genetic contributions, and environmental risk factors, ADHD remains a heterogeneous disorder with complex comorbidities. This narrative review synthesizes historical and contemporary transdiagnostic perspectives on the development of ADHD, describing models that emphasize shared etiological mechanisms and overlapping symptom dimensions across disorders.
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Barać et al. (2026) studied this question.
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