Journals of Gerontology Series B: Psychological Sciences and Social Sciences
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Journals of Gerontology Series B: Psychological Sciences and Social Sciences, Vol 54, Issue 6 P361-P368, Copyright © 1999 by The Gerontological Society of America

ARTICLES

The effects of age and mood on saccadic function in older individuals

R Shafiq-Antonacci, P Maruff, S Whyte, P Tyler, P Dudgeon and J Currie
Neurophysiology and Neurovisual Research Unit, Mental Health Research Institute of Victoria, Australia. roxy@neuro.mhri.edu.au

To investigate the effect of age and mood on saccadic function, we recorded prosaccades, predictive saccades, and antisaccades from 238 cognitively normal, physically healthy volunteers aged 44 to 85 years old. Mood levels were measured using the State-Trait Anxiety Inventory and Center for Epidemiological Studies Depression Scale inventories. Small, but significant, positive relationships with age were observed for the mean latency and associated variability of latency for all types of saccades, as well as the antisaccade error rate. Saccade velocity or accuracy was unaffected by age. Increasing levels of depression had a minor negative influence on the antisaccade latency, whereas increasing levels of anxiety raised the antisaccade error rate marginally.


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 Arch NeurolHome page
R. Shafiq-Antonacci, P. Maruff, C. Masters, and J. Currie
Spectrum of Saccade System Function in Alzheimer Disease
Arch Neurol, September 1, 2003; 60(9): 1272 - 1278.
[Abstract] [Full Text] [PDF]


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