Professional
Technical
IVT
Trail Making Test
Neuropsychological test measuring visual attention, task switching, and processing speed.
Full Definition
A two-part assessment consisting of Trail Making Test A (connecting numbered circles sequentially) and Trail Making Test B (alternating between numbers and letters). Part A measures processing speed and visual scanning, while Part B assesses cognitive flexibility and executive function. The difference between Parts B and A is often used as a measure of executive functioning. Completion time and errors are recorded for interpretation.
Usage
Usage note: Results must be interpreted considering age, education, and motor abilities.
In Context
- "Trail Making Test B revealed significant executive dysfunction with multiple sequencing errors." — Assessment report
- "The patient completed Trail Making Test A in 45 seconds, within normal limits." — Test results
Also known as
TMT
Trails
Don't confuse with
Symbol Search
Coding
Wisconsin Card Sorting Test