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Halvorson, Kimberly M.; Ebner, Herschel; Hazeltine, Eliot – Journal of Experimental Psychology: Human Perception and Performance, 2013
Why are dual-task costs reduced with ideomotor (IM) compatible tasks (Greenwald & Shulman, 1973; Lien, Proctor & Allen, 2002)? In the present experiments, we first examine three different measures of single-task performance (pure single-task blocks, mixed blocks, and long stimulus onset asynchrony [SOA] trials in dual-task blocks) and two…
Descriptors: Psychomotor Skills, Stimuli, Reaction Time, Cognitive Processes
Pannebakker, Merel M.; Band, Guido P. H.; Ridderinkhof, K. Richard – Journal of Experimental Psychology: Human Perception and Performance, 2009
Traditionally, dual-task interference has been attributed to the consequences of task load exceeding capacity limitations. However, the current study demonstrates that in addition to task load, the mutual compatibility of the concurrent processes modulates whether 2 tasks can be performed in parallel. In 2 psychological refractory period…
Descriptors: Psychological Studies, Short Term Memory, Models, Cognitive Processes
Oberauer, Klaus; Kliegl, Reinhold – Journal of Experimental Psychology: Human Perception and Performance, 2004
The authors tested the hypothesis that with adequate practice, people can execute 2 cognitive operations in working memory simultaneously. In Experiment 1, 6 students practiced updating 2 items in working memory through 2 sequences of operations (1 numerical, 1 spatial). In different blocks, imperative stimuli for the 2 sequences of operations…
Descriptors: Costs, Memory, Cognitive Processes, Task Analysis
Oberauer, Klaus; Bialkova, Svetlana – Journal of Experimental Psychology: Human Perception and Performance, 2011
Six young adults practiced for 36 sessions on a working-memory updating task in which 2 digits and 2 spatial positions were continuously updated. Participants either did 1 updating operation at a time, or attempted 1 numerical and 1 spatial operation at the same time. In contrast to previous research using the same paradigm with a single digit and…
Descriptors: Attention, Young Adults, Short Term Memory, Costs
Ruthruff, Eric; Johnston, James C.; Remington, Roger W. – Journal of Experimental Psychology: Human Perception and Performance, 2009
Recent dual-task studies suggest that a bottleneck prevents central mental operations from working on more than one task at a time, especially at relatively low practice levels. It remains highly controversial, however, whether this bottleneck is structural (inherent to human cognitive architecture) or merely a strategic choice. If the strategic…
Descriptors: Hypothesis Testing, Neurological Organization, Barriers, Cognitive Processes
Chan, Louis K. H.; Hayward, William G. – Journal of Experimental Psychology: Human Perception and Performance, 2009
In feature integration theory (FIT; A. Treisman & S. Sato, 1990), feature detection is driven by independent dimensional modules, and other searches are driven by a master map of locations that integrates dimensional information into salience signals. Although recent theoretical models have largely abandoned this distinction, some observed…
Descriptors: Models, Attention, Experiments, Foreign Countries
Peer reviewed
Antos, Stephen J. – Journal of Experimental Psychology: Human Perception and Performance, 1979
A cost-benefit and speed-accuracy analysis of semantic priming in a lexical decision task provided information relevant to the automatic-conscious distinction as well as to the operation of discriminability, criterion bias, and response bias in the facilitation. (Author/MH)
Descriptors: Cost Effectiveness, Cues, Decision Making, Language Processing