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Humans show implicit memory for complex spatial layouts, which aids in subsequent processing of these layouts. Research efforts in the past 5 years have focused primarily on a single session of training involving a dozen repeated displays. Yet every day, people encounter many more visual layouts than were presented in such experiments. In this study, we(More)
BACKGROUND Ornithine transcarbamylase deficiency (OTCD) is an X-linked urea cycle disorder characterized by hyperammonemia resulting in white matter injury and impairments in working memory and executive cognition. OBJECTIVE To test for differences in BOLD signal activation between subjects with OTCD and healthy controls during a working memory task. (More)
Humans process a visual display more efficiently when they encounter it for a second time. A previously perceived object, now presented very briefly, is correctly identified more accurately than a new object, showing priming (Tul-ving & Schacter, 1990). Such perceptual facilitation is seen not only for isolated shapes or words, but also for complex visual(More)
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