Journal of Gerontology: PSYCHOLOGICAL SCIENCES Copyright 2000 by The Gerontological Society of America
2000, Vol.
55B, No.
6, P373–P380
P373
Age-Related Differences in Supervisory
Attentional System Functions
Pilar Andrés and Martial Van der Linden...
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Journal of Gerontology: PSYCHOLOGICAL SCIENCES Copyright 2000 by The Gerontological Society of America
2000, Vol.
55B, No.
6, P373–P380
P373
Age-Related Differences in Supervisory
Attentional System Functions
Pilar Andrés and Martial Van der Linden
Neuropsychology Unit, University of Liege, Belgium.
The authors explored the effect of age on executive functions by using 3 tasks (Tower of London, Hayling, and
Brixton tests) designed to assess specific executive processes (planning, inhibition, and abstraction of logical
rules) that were also sensitive to frontal dysfunction.
The performance of elderly participants (n 48) was significantly poorer than that of young participants (n 47) in all 3 tasks.
Processing speed, measured by means of a
color-naming task, explained some but not all of the age-related differences.
These results are discussed in terms
of general and specific factors in cognitive aging.
EVERAL researchers have suggested that cognitive
decline in aging is linked to
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