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Krinsky-McHale, Sharon J.; Devenny, Darlynne A.; Kittler, Phyllis; Silverman, Wayne – American Journal on Mental Retardation, 2008
Adults with Down syndrome and early stage Alzheimer's disease showed decline in their ability to selectively attend to stimuli in a multitrial cancellation task. They also showed variability in their performance over the test trials, whereas healthy participants showed stability. These changes in performance were observed approximately 2 years…
Descriptors: Alzheimers Disease, Dementia, Attention Span, Down Syndrome
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Fernandez-Duque, Diego; Black, Sandra E. – Brain and Cognition, 2008
This study explored possible deficits in selective attention brought about by Dementia of Alzheimer Type (DAT). In three experiments, we tested patients with early DAT, healthy elderly, and young adults under low memory demands to assess perceptual filtering, conflict resolution, and set switching abilities. We found no evidence of impaired…
Descriptors: Dementia, Attention, Young Adults, Patients