Influence of memory strategies on memory test performance

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Details zur Publikation

Untertitel: A study in healthy and pathological aging
Autorenliste: Maestu F
Verlag: Taylor & Francis (Routledge): STM, Behavioural Science and Public Health Titles
Jahr der Veröffentlichung: 2011
Bandnummer: 18
Heftnummer: 5
Erste Seite: 497
Letzte Seite: 515
Seitenumfang: 19
ISSN: 1382-5585
Sprachen: Englisch-Vereinigtes Königreich (EN-GB)


Beschreibung

The ability to generate memory strategies is a key factor in the
performance of episodic memory tasks. Whether the ability to generate
memory strategies exerts an influence in the performance of memory tests
in the elderly population is still a matter of debate. Here we present
results from an experimental memory task (Test of Memory Strategies,
TMS), comprised of five lists of words starting from an incidental
learning task, and four more lists which progressively gain in their
external organization of the material, reducing the necessity of
mobilizing complex memory strategies. TMS has been applied to four
groups of elderly patients (amnestic Mild Cognitive Impairment - aMCI,
multidomain (mMCI), and Vascular Cognitive Impairment - VCI and
Depression) and a healthy aging group. In conditions with low
organization of the material, the mMCI and VCI groups (both showing a
greater executive function impairment) have shown lower performance.
However, as the material was progressively organized, they improved
their performance. The aMCI group showed similar performance to the
control group at the lower level of external organization but did not
improve performance in conditions with a high level of external
organization. The mMCI and VCI groups showed lower performance on all
TMS conditions compared with controls. Discriminant analysis revealed
90% sensitivity and specificity to differentiate between groups based on
TMS conditions. These results indicate how executive functions
influence performance on memory tasks in elderly subjects with different
neuropsychological profiles.


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Zuletzt aktualisiert 2019-13-08 um 00:45