Few if any experts believe that existing psychiatric diagnostic categories included in DSM
and ICD are actually discrete disease entities. Attention-deficit/hyperactivity disorder (ADHD) …

Attention-deficit/hyperactivity disorder (ADHD) is among the many syndromes in the
psychiatric nosology for which etiological signal and clinical prediction are weak. Reducing …

Importance Psychiatric nosology is limited by behavioral and biological heterogeneity within
existing disorder categories. The imprecise nature of current nosologic distinctions limits …

Research and clinical investigations in psychiatry largely rely on the de facto assumption
that the diagnostic categories identified in the Diagnostic and Statistical Manual (DSM) …

Attention Deficit/hyperactivity disorder (ADHD) is conceptualized differently in the Diagnostic
and Statistical Manual (DSM-5), the International Classification of Diseases-10 (ICD-10) …

Empirical work has examined the utility of using person-centered statistical approaches
emphasizing traits to parsing attention deficit/hyperactivity disorder (ADHD) heterogeneity in …

Childhood attention deficit hyperactivity disorder (ADHD) shows a highly variable course
with age: some individuals show improving, others stable or worsening symptoms. The …

Efforts to parse ADHD's heterogeneity in the DSM system has generally relied on subtypes,
or presentations, based on different symptom combinations. Promising recent work has …

The development of classification systems in psychiatry has been a complex task. In clinical
settings, these classification systems help communication about disorders among …

This study used latent profile modeling (LPA) with a community sample that included an
enriched sampling of children (aged 6–11) diagnosed with attention deficit/hyperactivity …