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CERAD-NAB word list-encoding
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Total number of correctly learned words across three learning trials (number of words per trial = 10)
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Verbal episodic learning
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CERAD-NAB word list-delayed free recall
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Total number of correctly remembered words after a delay following encoding
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Verbal episodic memory
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CERAD-NAB word list-savings
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Proportion of correctly recalled words during delayed free recall relative to words learned in learning trial 3
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Verbal episodic memory
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CERAD-NAB word list-discriminability
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Rate of correctly recognized words from encoding
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Verbal episodic memory
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CERAD-NAB word list-intrusion errors
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Total number of intrusions committed during word list-encoding and -delayed free recall
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Executive functions
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CERAD-NAB figures-copy
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Copy of four figures (circle, diamond, overlapping rectangles, cube)
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Visuospatial ability
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CERAD-NAB figures-delayed recall
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Number of correctly reproduced figures from figures-copy following a delay
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Visual memory
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CERAD-NAB figures-savings
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Proportion correctly reproduced figures at figures-delayed recall relative to figures-copy
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Visual memory
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Semantic fluency-animals
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Number of animals produced within 1 min
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Semantic memory
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Boston naming test (15-items)
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Number of spontaneously correctly named black and white line drawings (maximum = 15)
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Language
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Trail making test A
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Time required to connect circles numbered from 1 to 25 in ascending order
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Psychomotor speed
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Trail making test B
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Time required to connect circles containing numbers (1–13) and letters (A-L) in ascending and alternating order
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Executive functions
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Phonemic fluency
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Number of words starting with the letter S produced within 1 min
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Executive functions
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