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Hanseeuw, Bernard J.; Seron, Xavier; Ivanoiu, Adrian – Brain and Cognition, 2012
Background: Increased sensitivity to proactive (PI) and retroactive (RI) interference has been observed in amnestic mild cognitive impairment (aMCI). PI and RI are often explained as being the result of a response competition mechanism. However, patients with aMCI are supposed to suffer mostly from encoding deficits. We hypothesized that in aMCI…
Descriptors: Patients, Cognitive Processes, Neurological Impairments, Coding
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Strelnikov, Kuzma – Brain and Cognition, 2010
There is increasing focus on the neurophysiological underpinnings of brain activations, giving birth to an emerging branch of neuroscience--neuroenergetics. However, no common definition of "brain activation" exists thus far. In this article, we define brain activation as the information-driven reorganization of energy flows in a population of…
Descriptors: Brain Hemisphere Functions, Neurology, Physiology, Genetics
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Brunye, Tad T.; Mahoney, Caroline R.; Augustyn, Jason S.; Taylor, Holly A. – Brain and Cognition, 2009
Recent work has demonstrated that horizontal saccadic eye movements enhance verbal episodic memory retrieval, particularly in strongly right-handed individuals. The present experiments test three primary assumptions derived from this research. First, horizontal eye movements should facilitate episodic memory for both verbal and non-verbal…
Descriptors: Eye Movements, Memory, Human Body, Lateral Dominance
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Baudouin, Alexia; Clarys, David; Vanneste, Sandrine; Isingrini, Michel – Brain and Cognition, 2009
The aim of the present study was to examine executive dysfunctioning and decreased processing speed as potential mediators of age-related differences in episodic memory. We compared the performances of young and elderly adults in a free-recall task. Participants were also given tests to measure executive functions and perceptual processing speed…
Descriptors: Age Differences, Memory, Cognitive Processes, Comparative Analysis
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Vainio, Lari; Tucker, Mike; Ellis, Rob – Brain and Cognition, 2007
The coupling of hand grasping stimuli and the subsequent grasp execution was explored in normal participants. Participants were asked to respond with their right- or left-hand to the accuracy of an observed (dynamic) grasp while they were holding precision or power grasp response devices in their hands (e.g., precision device/right-hand; power…
Descriptors: Goal Orientation, Imitation, Coding, Context Effect
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Hofer, Alex; Siedentopf, Christian M.; Ischebeck, Anja; Rettenbacher, Maria A.; Widschwendter, Christian G.; Verius, Michael; Golaszewski, Stefan M.; Koppelstaetter, Florian; Felber, Stephan; Wolfgang Fleischhacker, W. – Brain and Cognition, 2007
In this functional MRI experiment, encoding of objects was associated with activation in left ventrolateral prefrontal/insular and right dorsolateral prefrontal and fusiform regions as well as in the left putamen. By contrast, correct recognition of previously learned objects (R judgments) produced activation in left superior frontal, bilateral…
Descriptors: Experiments, Coding, Recognition (Psychology), Brain
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Dillon, Daniel G.; Cooper, Julie J.; Grent-'t-Jong, Tineke; Woldorff, Marty G.; LaBar, Kevin S. – Brain and Cognition, 2006
Event-related potential (ERP) studies have shown that emotional stimuli elicit greater amplitude late positive-polarity potentials (LPPs) than neutral stimuli. This effect has been attributed to arousal, but emotional stimuli are also more semantically coherent than uncategorized neutral stimuli. ERPs were recorded during encoding of positive,…
Descriptors: Stimuli, Semantics, Information Processing, Cognitive Processes