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Possin, Katherine L.; Laluz, Victor R.; Alcantar, Oscar Z.; Miller, Bruce L.; Kramer, Joel H. – Neuropsychologia, 2011
Figure copy is the most common method of visual spatial assessment in dementia evaluations, but performance on this test may be multifactorial. We examined the neuroanatomical substrates of figure copy performance in 46 patients with Alzheimer's disease (AD) and 48 patients with the behavioral variant of Frontotemporal dementia (bvFTD). A group of…
Descriptors: Alzheimers Disease, Neurology, Short Term Memory, Brain
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Peters, Frederic; Majerus, Steve; De Baerdemaeker, Julie; Salmon, Eric; Collette, Fabienne – Neuropsychologia, 2009
A decrease in verbal short-term memory (STM) capacity is consistently observed in patients with Alzheimer's disease (AD). Although this impairment has been mainly attributed to attentional deficits during encoding and maintenance, the progressive deterioration of semantic knowledge in early stages of AD may also be an important determinant of poor…
Descriptors: Control Groups, Semantics, Alzheimers Disease, Word Lists
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Alescio-Lautier, B.; Michel, B. F.; Herrera, C.; Elahmadi, A.; Chambon, C.; Touzet, C.; Paban, V. – Neuropsychologia, 2007
It has been proposed that visual recognition memory and certain attentional mechanisms are impaired early in Alzheimer disease (AD). Little is known about visuospatial recognition memory in AD. The crucial role of the hippocampus on spatial memory and its damage in AD suggest that visuospatial recognition memory may also be impaired early. The aim…
Descriptors: Short Term Memory, Visual Perception, Spatial Ability, Attention