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Direct linkMoreno-Martinez, F. Javier; Goni-Imizcoz, Miguel; Spitznagel, Mary Beth – Brain and Cognition, 2011
Category specific semantic impairment (e.g. living versus nonliving things) has been reported in association with various pathologies, including herpes simplex encephalitis and semantic dementia. However, evidence is inconsistent regarding whether this effect exists in diseases progressively impacting diverse cortical regions, such as Alzheimer's…
Descriptors: Correlation, Longitudinal Studies, Semantics, Alzheimers Disease
van Deursen, J. A.; Vuurman, E. F. P. M.; Smits, L. L.; Verhey, F. R. J.; Riedel, W. J. – Brain and Cognition, 2009
Background: Decreased speed of information processing is a hallmark of Alzheimer's disease (AD) and mild cognitive impairment (MCI). Recent studies suggest that response speed (RS) measures are very sensitive indicators of changes in longitudinal follow-up studies. Insight into the psycho-physiological underpinnings of slowed RS can be provided by…
Descriptors: Alzheimers Disease, Mental Disorders, Patients, Reaction Time
Papagno, Costanza; Allegra, Adele; Cardaci, Maurizio – Brain and Cognition, 2004
The aim of this study was to evaluate the role of short-term memory and attention in time estimation. For this purpose we studied prospective time verbal estimation in 21 patients with Alzheimer's disease (AD), and compared their performance with that of 21 matched normal controls in two different conditions: during a digit span task and during an…
Descriptors: Group Dynamics, Correlation, Neurological Impairments, Comparative Analysis
