6 November 2009

Longitudinal study of the transition from healthy aging to Alzheimer disease

Declines in other thinking and learning skills may precede memory loss in Alzheimer’s disease
Archives of Neurology: 12 October 2009
Cognitive abilities other than memory, including visuospatial skills needed to perceive relationships between objects, may decline years prior to a clinical diagnosis in patients with Alzheimer's disease, according to a report in the October issue of Archives of Neurology, one of the JAMA/Archives journals.

"Recent studies have focused on identifying the beginning of the transition from healthy aging to dementia," the authors write as background information in the article. "As new interventions become available, it will become important to identify the disease as early as possible." Loss of episodic memory—remembering events in one's life that can be explicitly stated—is commonly linked to Alzheimer's disease, but it is not the only aspect of cognition (thinking, learning and memory) that is affected. … > full press release

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