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Riby, Leigh M.; Orme, Elizabeth – Brain and Cognition, 2013
In this study we quantify for the first time electrophysiological components associated with incorporating long-term semantic knowledge with visuo-spatial information using two variants of a traditional matrix patterns task. Results indicated that the matrix task with greater semantic content was associated with enhanced accuracy and RTs in a…
Descriptors: Memory, Spatial Ability, Semantics, Visual Perception
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Spotorno, Sara; Faure, Sylvane – Brain and Cognition, 2011
What accounts for the Right Hemisphere (RH) functional superiority in visual change detection? An original task which combines one-shot and divided visual field paradigms allowed us to direct change information initially to the RH or the Left Hemisphere (LH) by deleting, respectively, an object included in the left or right half of a scene…
Descriptors: Intervals, Semantics, Visual Perception, Brain Hemisphere Functions
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Wearden, J. H.; Smith-Spark, J. H.; Cousins, Rosanna; Edelstyn, N. M. J.; Cody, F. W. J.; O'Boyle, D. J. – Brain and Cognition, 2008
Previous literature suggests that Parkinson's disease is marked by deficits in timed behaviour. However, the majority of studies of central timing mechanisms in patients with Parkinson's disease have used timing tasks with a motor component. Since the motor abnormalities are a defining feature of the condition, the status of timing in Parkinson's…
Descriptors: Diseases, Patients, Memory, Generalization
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Van Hooff, Johanna C.; Whitaker, T. Aisling; Ford, Ruth M. – Brain and Cognition, 2009
We investigated whether directed forgetting as elicited by the item-cueing method results solely from "differential rehearsal" of to-be-remembered vs. to-be-forgotten words or, additionally, from "inhibitory" processes that actively impair retrieval of to-be-forgotten words. During study, participants (N = 24) were instructed to remember half of a…
Descriptors: Reaction Time, Familiarity, Psychophysiology, Memory
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Fahim, Cherine; Stip, Emmanuel; Mancini-Marie, Adham; Beauregard, Mario – Brain and Cognition, 2004
Background: Brain morphology and physiological measures in schizophrenia have yielded inconsistent results. This may be due in part to difficulties in ascertaining precisely to what degree each measure deviates from its genetically and environmentally determined potential level. We attempted to surmount this problem in a paradigm involving…
Descriptors: Genetics, Memory, Twins, Schizophrenia
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Goldstein, Bram; Armstrong, Carol L.; Modestino, Edward; Ledakis, George; John, Cameron; Hunter, Jill V. – Brain and Cognition, 2004
This study investigated the effects of left and right intracranial tumors on picture and word recognition memory. We hypothesized that left hemispheric (LH) patients would exhibit greater word recognition memory impairment than right hemispheric (RH) patients, with no significant hemispheric group picture recognition memory differences. The LH…
Descriptors: Word Recognition, Memory, Cancer, Hypothesis Testing