Visual-spatial perception: a comparison between instruments frequently used in the primary care setting and a computerized cognitive assessment battery
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Boris Punchik1, Avital Shapovalov2, Tzvi Dwolatzky3
1Comprehensive Geriatric Assessment Unit, Clalit Health Care Services, Yassky Clinic, Israel ; Sial Center for Research in Family Medicine, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva, Israel ; Community-Based Geriatric Unit, The Division of Community Health, Ben Gurion University of the Negev, Beer Sheva, Israel.
Background:
The development of screening instruments will help the primary care team to determine when further comprehensive cognitive assessment is necessary.
Design:
A retrospective analysis based on medical records.
Patients And Setting:
Patients referred to a comprehensive geriatric assessment unit.
Analysis:
Cognitive screening and assessment included visual-spatial components: the Mini Mental State Examination, the Clock Drawing Test, the Montreal Cognitive Assessment Test, and the Neurotrax (Mindstreams) computerized cognitive assessment battery.
Results:
The average age of the 190 eligible patients was 81.09±5.42 years. Comparing the individual tests with that of the visual-spatial index of Neurotrax, we found the Trail Making B test to be most sensitive (72.4%) and the Cube Test to have the highest specificity (72.8%). A combination of tests resulted in higher sensitivity and lower specificity.
Conclusion:
The use of a combination of visual-spatial tests for screening in neurocognitive disorders should be evaluated in further prospective studies.
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