Source:http://linkedlifedata.com/resource/umls/id/C0040604
MSH: The subject's ability to connect 25 numbered and lettered circles in sequence in a specific length of time. A score of 12 or below is suggestive of organic brain damage.,NCI: A neuropsychological test of visual attention and task switching that requires a subject to connect a sequence of 25 consecutive targets. It provides an easy to administer and reliable assessment of attention, sequencing, cognition, visual search, and motor function.