Trail Making Test (Parts A and B).
TMT
Processing speed, visual attention, scanning (Part A); set-shifting/executive flexibility (Part B)
- Provisionally grouped under
- Length and format
- 2 parts (A: 25 numbered circles; B: 25 alternating number/letter circles); timed. connect-the-dots sequencing (paper/pencil, timed), completion time + errors (performance/ability test)
- Language versions
- Used worldwide; Part B has letter-based language adaptations (e.g., Color Trails for non-Latin scripts)
- Licence
- public-domain / open
Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.
- Reference
- Reitan RM. Percept Mot Skills. 1958;8:271-276. Tombaugh TN. Arch Clin Neuropsychol. 2004;19(2):203-214.
More in Neuropsychology and cognitive screening
- AMTS - Abbreviated Mental Test Score
10, total 0-10. public-domain / open.
- ACE-III - Addenbrooke's Cognitive Examination III
scored 0-100 across 5 domains. copyrighted - author permission.
- Altoida (Digital Neuro Signature)
~10-minute smartphone/tablet AR + motor task battery (e.g., place-and-find virtual objects, navigation, micro-motor tasks). copyrighted - commercial.
- ADAS-Cog - Alzheimer's Disease Assessment Scale - Cognitive Subscale
11 tasks (ADAS-Cog-11, 0-70); ADAS-Cog-13 (0-85). copyrighted - commercial.
- ANAM - Automated Neuropsychological Assessment Metrics
Library of ~20+ selectable tests (e.g., Code Substitution, Matching to Sample, Math, Go/No-Go, Simple RT). copyrighted - commercial.
- BRIEF-A - Behavior Rating Inventory of Executive Function - Adult
75 items (self and informant forms). copyrighted - commercial.
Use this instrument with your own participants
Research Seat is our white-label assessment platform for research teams and academics: we host and deliver an instrument under your branding, score it, and hand back the data. Whether we can deliver this particular one depends on its licence, which here is public-domain / open. Tell us what you are measuring and we will say what is possible.