Cognitive Assessment

Understand your mind

Free screening for dyscalculia, ADHD indicators, and a full cognitive profile across 7 domains. 29 research-backed tests, all running in your browser. Some are timed or rely on quick responses, and each one explains what it involves before you start.

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∑ Screening

Dyscalculia

A structured screening for dyscalculia, the specific learning difference that affects how your brain processes numbers. Covers number sense, arithmetic fluency, and the cognitive foundations that support math.

Magnitude Comparison Number Line Arithmetic Dot Comparison Subitizing Fact Retrieval Counting Fluency Place-Value Number Dictation Digit Span DSST Stroop Trail Making Matrix Reasoning Reaction Time

15 tests ⏱ ~47 min 3 sessions

◉ Screening

ADHD Indicators

Measures the core attention dimensions that differ in ADHD: sustained focus, impulse control, response consistency, and processing speed. Not a diagnosis, but a data-driven starting point for understanding how your attention works.

Flanker Go / No-Go Stop-Signal CPT Digit Span Stroop Trail Making DSST Reaction Time

9 tests ⏱ ~50 min 2 sessions

Explore by domain

Processing Speed

2 tests · ~8 min

Working Memory

4 tests · ~27 min

Executive Function

4 tests · ~22 min

Fluid Reasoning

2 tests · ~14 min

Verbal Comprehension

4 tests · ~20 min

Number Sense / Dyscalculia

9 tests · ~46 min

Attention / ADHD Screening

4 tests · ~30 min

Complete assessment

29 tests·4 sessions·about 2 hours

Progress saves after every test.

Session breakdown

Session 1~31 min · 7 tests

Session 2~30 min · 5 tests

Session 3~28 min · 9 tests

Session 4~31 min · 8 tests