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Fischer, Rico; Hommel, Bernhard – Cognition, 2012
Performing two tasks concurrently is difficult, which has been taken to imply the existence of a structural processing bottleneck. Here we sought to assess whether and to what degree one's multitasking abilities depend on the cognitive-control style one engages in. Participants were primed with creativity tasks that either called for divergent…
Descriptors: Control Groups, Creative Thinking, Convergent Thinking, Costs
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Hommel, Bernhard; Fischer, Rico; Colzato, Lorenza S.; van den Wildenberg, Wery P. M.; Cellini, Cristiano – Journal of Experimental Psychology: Human Perception and Performance, 2012
Stressful situations, the aversiveness of events, or increases in task difficulty (e.g., conflict) have repeatedly been shown to be capable of triggering attentional control adjustments. In the present study we tested whether the particularity of an fMRI testing environment (i.e., EPI noise) might result in such increases of the cognitive control…
Descriptors: Diagnostic Tests, Brain Hemisphere Functions, Difficulty Level, Attention Control
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Colzato, Lorenza S.; Waszak, Florian; Nieuwenhuis, Sander; Posthuma, Danielle; Hommel, Bernhard – Neuropsychologia, 2010
Genetic variability related to the catechol-O-methyltransferase (COMT) gene Val[superscript 128]Met polymorphism) has received increasing attention as a possible modulator of cognitive control functions. Recent evidence suggests that the Val[superscript 128]Met genotype may differentially affect cognitive stability and flexibility, in such a way…
Descriptors: Cognitive Processes, Validity, Genetics, Biochemistry
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van Dam, Wessel O.; Hommel, Bernhard – Journal of Experimental Psychology: Human Perception and Performance, 2010
Given the distributed representation of visual features in the human brain, binding mechanisms are necessary to integrate visual information about the same perceptual event. It has been assumed that feature codes are bound into object files--pointers to the neural codes of the features of a given event. The present study investigated the…
Descriptors: Evidence, Brain, Cognitive Processes, Visual Stimuli