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Parsons, Rogers, Hall, and Robertson (2007) administered a brief, motor-based assessment of neurocognitive functioning (Timed Gait, Grooved Pegboard, and Fingertapping), as well as a comprehensive neuropsychological test battery, to 327 adults living with HIV. The investigators found that this
group of fine and gross motor tests ... [was] significantly correlated with a larger more comprehensive battery and accounted for a significant amount (52 percent) of the variance in this larger battery. The level of predicted variance increased to 73 percent when two additional measures of motor processing speed [Digit Symbol and Trailmaking A and B] were added. Moreover, there were significant relationships between the set of international, [language-independent,] motor-based measures and those tests comprising the functional domains of verbal memory, language, figural memory, executive functioning, and attention. These findings suggest that a brief assessment of motor functioning may represent a sensitive estimate of the general neurocognitive functioning of individuals with AIDS dementia complex. It also suggests that a motor-based battery may be administered as a strong indicator of neurocognitive performance without losing all of the explanatory power of larger batteries that cover multiple domains. (p. 64)
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Summer 2007 Newsletter / Volume 8, Issue 4
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