Inattention

Inattention is persistent difficulty sustaining focus, following through on tasks, and staying organized — a core symptom cluster of ADHD.

Definition

Inattention describes trouble maintaining attention, resisting distraction, and completing tasks. As an ADHD symptom domain, it must be persistent, present across settings, and cause impairment. Everyone is distracted sometimes; screening helps identify when patterns may reflect ADHD.

What it can feel like

  • Making careless mistakes or missing details.
  • Losing focus during conversations or reading.
  • Difficulty organizing tasks and managing time.
  • Frequently losing items or forgetting appointments.

Related screening tests on LuriaLab

Related glossary terms

Perguntas frequentes

Does inattention always mean ADHD?

No. Anxiety, depression, sleep problems, and stress can also impair attention. ADHD involves a persistent, lifelong pattern across settings.

How is inattention screened?

The ASRS v1.1 includes items on attention and organization. It flags when a fuller ADHD evaluation may be helpful.

Sources

  • Kessler RC, et al. ASRS v1.1
  • DSM-5-TR — ADHD symptom domains (clinical reference)

Last reviewed: 2026-07-02. Screening tools on LuriaLab are for education only and do not provide a diagnosis.