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Direct linkMcMorris, Terry; Hale, Beverley J. – Brain and Cognition, 2012
The primary purpose of this study was to examine, using meta-analytical techniques, the differential effects of differing intensities of acute exercise on speed and accuracy of cognition. Overall, exercise demonstrated a small, significant mean effect size (g = 0.14, p less than 0.01) on cognition. Examination of the comparison between speed and…
Descriptors: Exercise Physiology, Effect Size, Cognitive Ability, Meta Analysis
Mihov, Konstantin M.; Denzler, Markus; Forster, Jens – Brain and Cognition, 2010
In the last two decades research on the neurophysiological processes of creativity has found contradicting results. Whereas most research suggests right hemisphere dominance in creative thinking, left-hemisphere dominance has also been reported. The present research is a meta-analytic review of the literature to establish how creative thinking…
Descriptors: Creativity, Brain Hemisphere Functions, Specialization, Creative Thinking
Voyer, Daniel – Brain and Cognition, 2011
The present study quantified the magnitude of sex differences in perceptual asymmetries as measured with dichotic listening. This was achieved by means of a meta-analysis of the literature dating back from the initial use of dichotic listening as a measure of laterality. The meta-analysis included 249 effect sizes pertaining to sex differences and…
Descriptors: Effect Size, Language Processing, Gender Differences, Listening Skills
Siegert, Richard J.; Weatherall, Mark; Bell, Elliot M. – Brain and Cognition, 2008
Cognition in schizophrenia seems to be characterized by impaired performance on most tests of explicit or declarative learning contrasting with relatively intact performance on most tests of implicit or procedural learning. At the same time there have been conflicting results for studies that have used the Serial Reaction Time (SRT) task to…
Descriptors: Reaction Time, Schizophrenia, Task Analysis, Sequential Learning
Calkins, Monica E.; Iacono, William G.; Ones, Deniz S. – Brain and Cognition, 2008
Several forms of eye movement dysfunction (EMD) are regarded as promising candidate endophenotypes of schizophrenia. Discrepancies in individual study results have led to inconsistent conclusions regarding particular aspects of EMD in relatives of schizophrenia patients. To quantitatively evaluate and compare the candidacy of smooth pursuit,…
Descriptors: Eye Movements, Schizophrenia, Patients, Genetics
Falleti, Marina G.; Sanfilippo, Antonietta; Maruff, Paul; Weih, LeAnn; Phillips, Kelly-Anne – Brain and Cognition, 2005
Objective: Several studies have identified that adjuvant chemotherapy for breast cancer is associated with cognitive impairment; however, the magnitude of this impairment is unclear. This study assessed the severity and nature of cognitive impairment associated with adjuvant chemotherapy by conducting a meta-analysis of the published literature to…
Descriptors: Severity (of Disability), Patients, Females, Cancer
