Effect of testing procedure on Corsi's block-tapping task in normal subjects and Alzheimer-type dementia

Corsi's block-tapping task was given to 30 normal subjects and 38 Alzheimer-type demented patients following two different procedures. The first is the most widely standardized (scoring criterion: 3 correct reproductions out of 5 sequences), while the second is more lenient since it does not re...

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Bibliographic Details
Published inPerceptual and motor skills Vol. 78; no. 3 Pt 1; p. 859
Main Authors Trojano, L, Chiacchio, L, De Luca, G, Fragassi, N A, Grossi, D
Format Journal Article
LanguageEnglish
Published United States 01.06.1994
Subjects
Aged
Alzheimer Disease - diagnosis
Alzheimer Disease - psychology
Attention
Female
Humans
Imitative Behavior
Male
Mental Recall
Mental Status Schedule
Middle Aged
Neuropsychological Tests - statistics & numerical data
Orientation
Psychometrics
Psychomotor Performance
Reference Values
Serial Learning
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Summary:Corsi's block-tapping task was given to 30 normal subjects and 38 Alzheimer-type demented patients following two different procedures. The first is the most widely standardized (scoring criterion: 3 correct reproductions out of 5 sequences), while the second is more lenient since it does not require subjects to replicate a certain performance three times. Demented patients' scores were lower than those of controls in both conditions, and scores on the two tasks were significantly correlated for patients and controls. However, the requirement of replicating the visuospatial memory performances was more detrimental for demented patients than for controls so the two procedures cannot be considered equivalent.
ISSN:0031-5125
DOI:10.1177/003151259407800336