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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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Boller, Benjamin; Jennings, Janine M.; Dieudonne, Benedicte; Verny, Marc; Ergis, Anne-Marie – Brain and Cognition, 2012
Objective: This study was designed to extend the use of a memory training technique, known as the repetition-lag procedure, to Alzheimer patients. The specificity of this procedure is to target the process of recollection for improvement. Method: A group of 12 patients were trained individually for 6 h. The training procedure consisted of a series…
Descriptors: Control Groups, Intervals, Alzheimers Disease, Diseases
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Lustig, Cindy; Meck, Warren H. – Brain and Cognition, 2011
The perception of time is heavily influenced by attention and memory, both of which change over the lifespan. In the current study, children (8 yrs), young adults (18-25 yrs), and older adults (60-75 yrs) were tested on a duration bisection procedure using 3 and 6-s auditory and visual signals as anchor durations. During test, participants were…
Descriptors: Visual Stimuli, Young Adults, Older Adults, Memory
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Sylvain-Roy, Stephanie; Bherer, Louis; Belleville, Sylvie – Brain and Cognition, 2010
Temporal preparation was assessed in 15 Alzheimer's disease (AD) patients, 20 persons with mild cognitive impairment (MCI) and 28 healthy older adults. Participants completed a simple reaction time task in which the preparatory interval duration varied randomly within two blocks (short versus long temporal window). Results indicated that AD and…
Descriptors: Intervals, Reaction Time, Alzheimers Disease, Brain
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Correa, Angel; Trivino, Monica; Perez-Duenas, Carolina; Acosta, Alberto; Lupianez, Juan – Brain and Cognition, 2010
Temporal preparation and impulsivity involve overlapping neural structures (prefrontal cortex) and cognitive functions (response inhibition and time perception), however, their interrelations had not been investigated. We studied such interrelations by comparing the performance of groups with low vs. high non-clinical trait impulsivity during a…
Descriptors: Conceptual Tempo, Cues, Intervals, Inhibition
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Jones, Catherine R. G.; Malone, Tim J. L.; Dirnberger, Georg; Edwards, Mark; Jahanshahi, Marjan – Brain and Cognition, 2008
A pervasive hypothesis in the timing literature is that temporal processing in the milliseconds and seconds range engages the basal ganglia and is modulated by dopamine. This hypothesis was investigated by testing 12 patients with Parkinson's disease (PD), both "on" and "off" dopaminergic medication, and 20 healthy controls on three timing tasks.…
Descriptors: Intervals, Reaction Time, Diseases, Comparative Analysis
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Levy, Deborah L.; Bowman, Elizabeth A.; Abel, Larry; Krastoshevsky, Olga; Krause, Verena; Mendell, Nancy R. – Brain and Cognition, 2008
The "co-familiality" criterion for an endophenotype has two requirements: (1) clinically unaffected relatives as a group should show both a shift in mean performance and an increase in variance compared with controls; (2) performance scores should be heritable. Performance on the antisaccade task is one of several candidate endophenotypes for…
Descriptors: Intervals, Schizophrenia, Patients, Effect Size