Skip to main content
Brainmaster
ADHD Screening

Understand your attention

A clinically validated screening based on the WHO ASRS-v1.1 -- the world's most trusted instrument for identifying adult ADHD symptoms.

WHO-validated18 questionsInstant results

What is ADHD?

Attention-Deficit/Hyperactivity Disorder is a neurodevelopmental condition affecting how the brain regulates attention, impulses, and executive function. It is not about willpower or character -- it is a neurobiological difference with strong genetic components.

ADHD affects approximately 5-7% of children and 2.5-4% of adults worldwide, making it one of the most common neurodevelopmental disorders. Many people remain undiagnosed well into adulthood.

Three presentations

ADHD manifests differently in everyone. Clinicians recognize three distinct types.

Inattentive

Formerly known as ADD

Difficulty sustaining focus, frequent forgetfulness, trouble with organization, and avoiding mentally demanding tasks.

  • Difficulty sustaining focus
  • Easily distracted
  • Forgetfulness in daily activities
  • Difficulty organizing tasks
  • Loses necessary items frequently

Hyperactive-Impulsive

Excess motor activity & impulsivity

Restlessness, fidgeting, excessive talking, difficulty waiting, and acting without considering consequences.

  • Fidgeting and restlessness
  • Difficulty remaining seated
  • Excessive talking
  • Interrupting others
  • Acting without thinking

Combined

Most common presentation

Significant symptoms from both categories. Hyperactivity often diminishes in adulthood while inattentive symptoms persist.

  • Symptoms from both types
  • Varies across lifespan
  • Most frequently diagnosed
  • Complex presentation

Key symptoms

Common signs that may indicate ADHD in adults. These often overlap and vary in intensity.

Difficulty Concentrating

Trouble sustaining attention during tasks, conversations, or extended reading.

Disorganization

Difficulty managing tasks, missing deadlines, and keeping track of responsibilities.

Time Blindness

Poor sense of time passing, chronic lateness, and difficulty estimating how long tasks take.

Emotional Dysregulation

Intense emotional responses, frustration sensitivity, and difficulty managing reactions.

Restlessness

Internal sense of being driven, fidgeting, inability to relax during downtime.

Impulsivity

Making hasty decisions, interrupting conversations, difficulty waiting your turn.

How it works

Three steps. Ten minutes. Clarity.

01

Answer 18 questions

Based on the WHO Adult ADHD Self-Report Scale (ASRS-v1.1) -- the gold standard screening instrument for adult ADHD.

02

AI analyzes your responses

Your answers are scored against clinically validated cutoffs for inattention and hyperactivity-impulsivity subscales.

03

Review your results

Get a clear breakdown of your screening score, risk level, and personalized next steps -- all in under 10 minutes.

Trusted by thousands worldwide
Science-backed assessments

Frequently asked questions

Ready to understand your attention?

Complete the WHO ASRS-v1.1 screening and get a clear breakdown of your attention patterns, risk level, and personalized next steps.

Clinically validatedPrivate & confidential

This screening is not a diagnostic tool. It identifies individuals who may benefit from comprehensive clinical evaluation. Only qualified healthcare professionals can diagnose ADHD.