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Is There a Specific Executive Capacity for Dual Task Coordination? Evidence From Alzheimer's Disease
2004
Neuropsychology
Three experiments compared groups of Alzheimer's disease (AD) patients and healthy older and younger participants on visuospatial tracking and digit sequence recall, as single tasks and performed concurrently. In Experiment 1, tasks were performed concurrently with very low demand relative to span. Only the AD patients showed a dual task deficit. In Experiment 2, single task demand was manipulated on each task from below span to above span for each individual. All groups showed the same
doi:10.1037/0894-4105.18.3.504
pmid:15291728
fatcat:y5eijdvzszefddf2umlslvq56q