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Rohrer, Jonathan D.; Crutch, Sebastian J.; Warrington, Elizabeth K.; Warren, Jason D. – Neuropsychologia, 2010
The neuropsychological features of the primary progressive aphasia (PPA) syndromes continue to be defined. Here we describe a detailed neuropsychological case study of a patient with a mutation in the progranulin ("GRN") gene who presented with progressive word-finding difficulty. Key neuropsychological features in this case included gravely…
Descriptors: Sentences, Semantics, Nouns, Aphasia
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Olson, Ingrid R.; Jiang, Yuhong; Moore, Katherine Sledge – Journal of Experimental Psychology: Human Perception and Performance, 2005
The ability to remember visual stimuli over a short delay period is limited by the small capacity of visual working memory (VWM). Here the authors investigate the role of learning in enhancing VWM. Participants saw 2 spatial arrays separated by a 1-s interval. The 2 arrays were identical except for 1 location. Participants had to detect the…
Descriptors: Memory, Associative Learning, Visual Stimuli, Memorization