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trailmaking B test

Procedure: - a timed test that measures the time to draw lines between scattered circles. - connect numbers & letters in alternating sequence, i.e., 1 to A, then 2 to B, then 3 to C, etc. (see cartoon, fat client only) Clinical significance: - tests attentional interference & executive function - poor performance is an independent risk factor for subsequent (first ever) stroke [2] - poor prestroke performance predicts poststroke mortality [3] - poor performance may be a manifestation of unrecognized cerebrovascular disease

General

trailmaking test

References

  1. Comprehensive Geriatric Assessment, Osterweil et al eds, McGraw Hill, New York, 2000, pg 102-103
  2. Wiberg R et al Cognitive function and risk of stroke in elderly men Neurology, 2010 74(5):379-385 http://www.neurology.org/content/74/5/379
  3. Wiberg B et al The relationship between executive dysfunction and post-stroke mortality: A population-based cohort study. BMJ Open 2012 May 9; 2:e000458 PMID: 22573701
  4. Trail Making Test (TMT) Parts A & B http://www.healthcare.uiowa.edu/igec/tools/cognitive/trailmaking.pdf