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Contribution of Temporal Preparation and Processing Speed to Simple Reaction Time in Persons with Alzheimer's Disease and Mild Cognitive Impairment
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Sylvain-Roy, Stephanie; Bherer, Louis; Belleville, Sylvie – Brain and Cognition, 2010
Temporal preparation was assessed in 15 Alzheimer's disease (AD) patients, 20 persons with mild cognitive impairment (MCI) and 28 healthy older adults. Participants completed a simple reaction time task in which the preparatory interval duration varied randomly within two blocks (short versus long temporal window). Results indicated that AD and…
Descriptors: Intervals, Reaction Time, Alzheimers Disease, Brain
Musical and Verbal Memory in Alzheimer's Disease: A Study of Long-Term and Short-Term Memory
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Menard, Marie-Claude; Belleville, Sylvie – Brain and Cognition, 2009
Musical memory was tested in Alzheimer patients and in healthy older adults using long-term and short-term memory tasks. Long-term memory (LTM) was tested with a recognition procedure using unfamiliar melodies. Short-term memory (STM) was evaluated with same/different judgment tasks on short series of notes. Musical memory was compared to verbal…
Descriptors: Alzheimers Disease, Patients, Control Groups, Older Adults
The Assessment of Recognition Memory Using the Remember/Know Procedure in Amnestic Mild Cognitive Impairment and Probable Alzheimer's Disease
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Hudon, Carol; Belleville, Sylvie; Gauthier, Serge – Brain and Cognition, 2009
This study used the Remember/Know (R/K) procedure combined with signal detection analyses to assess recognition memory in 20 elders with amnestic mild cognitive impairment (aMCI), 10 patients with probable Alzheimer's disease (AD) as well as matched healthy older adults. Signal detection analyses first indicated that aMCI and control participants…
Descriptors: Responses, Alzheimers Disease, Patients, Recognition (Psychology)
Use of the Hayling Task to Measure Inhibition of Prepotent Responses in Normal Aging and Alzheimer's Disease
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Belleville, Sylvie; Rouleau, Nancie; Van der Linden, Martial – Brain and Cognition, 2006
This study measures the effect of Alzheimer's disease (AD) and normal aging on the inhibition of prepotent responses. AD patients, normal aged controls, and young subjects were tested with the Hayling task, which measures the ability to inhibit a semantically constrained response, and with the Stroop procedure. AD patients showed a severe deficit…
Descriptors: Inhibition, Alzheimers Disease, Responses, Patients