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Brunye, Tad T.; Mahoney, Caroline R.; Lieberman, Harris R.; Taylor, Holly A. – Brain and Cognition, 2010
The present work investigated the effects of caffeine (0 mg, 100 mg, 200 mg, 400 mg) on a flanker task designed to test Posner's three visual attention network functions: alerting, orienting, and executive control [Posner, M. I. (2004). "Cognitive neuroscience of attention". New York, NY: Guilford Press]. In a placebo-controlled, double-blind…
Descriptors: Attention, Brain Hemisphere Functions, Task Analysis, Cognitive Processes
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Brunye, Tad T.; Taylor, Holly A. – Journal of Memory and Language, 2008
Four dual-task experiments examined visuospatial, articulatory, and central executive working memory involvement during the development and application of spatial mental models. In Experiments 1 and 2 participants read route and survey spatial descriptions while undertaking one of four secondary tasks targeting working memory components.…
Descriptors: Memory, Spatial Ability, Task Analysis, Models