(CTMT) Comprehensive Trail-Making Test

by Cecil R. Reynolds, PhD

(CTMT) Comprehensive Trail-Making Test

by Cecil R. Reynolds, PhD
Benefits Uses visual search and sequencing tasks to evaluate brain injury, frontal lobe deficits, attention, set-shifting impairments, and many other neuropsycholocal problems
Ages 8 through 74 years
Admin time 5-12 minutes
Scores Percentile ranks and T-scores with a mean of 50 and a standard deviation of 10
Norms Derived from a nationwide sample of 1,664 people
Publish Date 2002
Qualifications Level C required.
About Qualification Levels
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About This Product

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Based on time-tested techniques, the CTMT is a set of five standardized visual search and sequencing tasks that are heavily influenced by attention, concentration, resistance to distraction, and cognitive flexibility (or set-shifting). Because these tasks are linked to a wide range of neuropsychological deficits, the CTMT is one of the most clinically useful instruments you’ll find.    

Trail-making requires the examinee to connect a series of stimuli (numbers or letters) in a specified order as fast as possible. In Trail 1, for example, he or she draws a line connecting the numbers 1 through 25 in order. Trail 2 presents the same task, but this time 29 distractors also appear on the page. Trails 3, 4, and 5 alter the basic task in other ways—by introducing irrelevant line drawings, for example, or presenting numbers as words rather than numerals. The score for each trail is the number of seconds required to complete the task. Individual trail scores are pooled to obtain a composite score.

The CTMT is extremely sensitive to neurological insult, disease, injury, and dysfunction, including the subtle neuropsychological problems often present in individuals with learning disabilities.