Journal
NEUROPSYCHOLOGIA
Volume 38, Issue 13, Pages 1734-1740Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0028-3932(00)00077-4
Keywords
affect; emotion; arousal; oculography; eye tracking
Funding
- NIA NIH HHS [AG14068] Funding Source: Medline
- NINDS NIH HHS [NS30863-03] Funding Source: Medline
- NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE [R01NS030863] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON AGING [R01AG014068] Funding Source: NIH RePORTER
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Previous studies have shown that Alzheimer's disease, even in its early stages, decreases novelty-seeking behaviors (curiosity) and impairs the shifting of spatial attention to extrapersonal targets. In this study, early-stage probable Alzheimer's disease patients (PRAD) and young and aging controls were shown pairs of visual scenes, some of which contained emotionally-arousing material, while eye movements were recorded under free viewing conditions. In all three subject groups, emotionally-arousing scenes attracted more viewing time and also became the preferential target of the initial visual orientation. Our findings suggest that the arousing properties of sensory stimuli may overcome some of the AD-related impairments in the distribution of attention to extrapersonal targets. These results may have implications for interventions aimed at improving the cognitive symptoms of PRAD. (C) 2000 Elsevier Science Ltd. All rights reserved.
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