Anthony M Monacelli

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BACKGROUND Patients with Alzheimer's disease (AD) and many older adults become lost even in familiar surroundings. This is commonly attributed to memory impairment, but it may reflect impaired spatial cognition. METHODS The authors examined the role of memory, perceptual, and cognitive mechanisms in spatial disorientation by comparing the performance of(More)
When a static line is presented near a brief cue, participants report motion within the line from the cued end towards the uncued end. Attention may mediate this effect by speeding the processing of the attended end of the line; however, apparent motion mechanisms between the cue and the line may also contribute. This study uses a new type of attentional(More)
BACKGROUND Aging and Alzheimer's disease (AD) disrupt visuospatial processing and visual motion evoked potentials in a manner linked to navigational deficits. OBJECTIVE Our goal is to determine if aging and AD have distinct effects on visual cortical motion processing for navigation. METHODS We recorded visual motion event related potentials (ERPs) in(More)
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