The Hand Movement Test as a tool in neuropsychological assessment: Interpretation within a working memory theoretical framework

K.R. Frencham, Allison Fox, Murray Maybery

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

While the Kaufman Hand Movements Test (KHMT) is argued to be sensitive to cognitive impairment secondary to various forms of brain dysfunction in adults, it is unknown which cognitive processes it addresses. Dual-task research has employed tasks similar to the KHMT to determine whether such tasks assess (1) verbal or visuospatial memory, or (2) a proposed additional short-term memory component, movement memory. However findings consistent with both hypotheses have been reported. Experiment I involved 24 participants completing a hand movement task and a letter span task under articulatory suppression, finger movement and no interference conditions. Performance on both the hand movement task and letter span task was significantly reduced by articulatory suppression. In Experiment 2, 16 participants were administered the hand movement task and a Corsi span task under articulatory suppression, finger movement, spatial tapping, and no interference. Again, hand movement span was most reduced by articulatory suppression, in contrast to Corsi span which was most reduced by spatial tapping. Hand movement task performance was therefore assumed to rely upon verbal recoding strategies and thus the proposition of an additional component of movement memory was not supported.
Original languageEnglish
Pages (from-to)633-641
JournalJournal of the International Neuropsychological Society
Volume9
Issue number4
DOIs
Publication statusPublished - 2003

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Short-Term Memory
Hand
Fingers
Task Performance and Analysis
Brain
Research

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abstract = "While the Kaufman Hand Movements Test (KHMT) is argued to be sensitive to cognitive impairment secondary to various forms of brain dysfunction in adults, it is unknown which cognitive processes it addresses. Dual-task research has employed tasks similar to the KHMT to determine whether such tasks assess (1) verbal or visuospatial memory, or (2) a proposed additional short-term memory component, movement memory. However findings consistent with both hypotheses have been reported. Experiment I involved 24 participants completing a hand movement task and a letter span task under articulatory suppression, finger movement and no interference conditions. Performance on both the hand movement task and letter span task was significantly reduced by articulatory suppression. In Experiment 2, 16 participants were administered the hand movement task and a Corsi span task under articulatory suppression, finger movement, spatial tapping, and no interference. Again, hand movement span was most reduced by articulatory suppression, in contrast to Corsi span which was most reduced by spatial tapping. Hand movement task performance was therefore assumed to rely upon verbal recoding strategies and thus the proposition of an additional component of movement memory was not supported.",
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AB - While the Kaufman Hand Movements Test (KHMT) is argued to be sensitive to cognitive impairment secondary to various forms of brain dysfunction in adults, it is unknown which cognitive processes it addresses. Dual-task research has employed tasks similar to the KHMT to determine whether such tasks assess (1) verbal or visuospatial memory, or (2) a proposed additional short-term memory component, movement memory. However findings consistent with both hypotheses have been reported. Experiment I involved 24 participants completing a hand movement task and a letter span task under articulatory suppression, finger movement and no interference conditions. Performance on both the hand movement task and letter span task was significantly reduced by articulatory suppression. In Experiment 2, 16 participants were administered the hand movement task and a Corsi span task under articulatory suppression, finger movement, spatial tapping, and no interference. Again, hand movement span was most reduced by articulatory suppression, in contrast to Corsi span which was most reduced by spatial tapping. Hand movement task performance was therefore assumed to rely upon verbal recoding strategies and thus the proposition of an additional component of movement memory was not supported.

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