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Brice, Alejandro E.; Wallace, Sarah E.; Brice, Roanne G. – Communication Disorders Quarterly, 2014
Alzheimer's dementia (AD) is a progressive, degenerative disease that occurs in the cerebral cortex due to increased levels of glutamate, the proliferation of plaque-forming amyloid beta proteins, and reactive gliosis. Establishing behavioral indicators of the disease (e.g., impairments of episodic memory) and use of neuroimaging technology…
Descriptors: Alzheimers Disease, Aging (Individuals), Older Adults, Brain
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Chang, Yu-Ling; Bondi, Mark W.; Fennema-Notestine, Christine; McEvoy, Linda K.; Hagler, Donald J., Jr.; Jacobson, Mark W.; Dale, Anders M. – Neuropsychologia, 2010
Understanding the underlying qualitative features of memory deficits in mild cognitive impairment (MCI) can provide critical information for early detection of Alzheimer's disease (AD). This study sought to investigate the utility of both learning and retention measures in (a) the diagnosis of MCI, (b) predicting progression to AD, and (c)…
Descriptors: Control Groups, Alzheimers Disease, Correlation, Verbal Learning
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Science Teacher, 2005
Massachusetts Institute of Technology (MIT) scientists have developed a new dye that could offer noninvasive early diagnosis of Alzheimer's disease, a discovery that could aid in monitoring the progression of the disease and in studying the efficacy of new treatments to stop it. The work is published in Angewandte Chemie. Today, doctors can only…
Descriptors: Alzheimers Disease, Scientists, Clinical Diagnosis, Brain
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Nelson, Linda D.; Scheibel, Kevin E.; Ringman, John M.; Sayre, James W. – Brain and Cognition, 2007
Measures developed from animal models of aging may detect dementia of the Alzheimer's type in a population at-risk for Alzheimer's disease (AD). Although, by middle age, individuals with Down syndrome (DS) show an extraordinarily high prevalence of AD-type pathology, their severe idiopathic cognitive deficits tend to confound the "clinical"…
Descriptors: Pathology, Animals, Alzheimers Disease, Down Syndrome
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Margallo-Lana, M. L.; Moore, P. B.; Kay, D. W. K.; Perry, R. H.; Reid, B. E.; Berney, T. P.; Tyrer, S. P. – Journal of Intellectual Disability Research, 2007
Background: The clinical and neuropathological features associated with dementia in Down's syndrome (DS) are not well established. Aims: To examine clinico-pathological correlations and the incidence of cognitive decline in a cohort of adults with DS. Method: A total of 92 hospitalized persons with DS were followed up from 1985 to December 2000.…
Descriptors: Adjustment (to Environment), Adults, Patients, Incidence