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Cognitive efficiency modes in old age: performance on sequential and coordinative verbal and visuospatial tasks. 2002

Paul Verhaeghen, and John Cerella, and Silvie C Semenec, and Melissa A Leo, and Kara L Bopp, and David W Steitz
Department of Psychology, Syracuse University, New York 13244-2340, USA. pverhaeg@psych.syr.edu

In an experiment using a large set of verbal and spatial tasks requiring low or high degrees of executive control, 3 distinct age-related effects were found. The smallest effect (no slowing) was tied to lexical tasks with low executive involvement, the largest deficit (age-related slowing factor of 2.2) was tied to visuospatial tasks with high executive involvement, an intermediate level of deficit (slowing factor of 1.7) was found for visuospatial tasks with low executive load and verbal tasks with high executive load. These age-related dissociations were incompatible with any "common cause" formulation. The mechanism responsible for the dissociation between verbal and visual tasks, and between low and high executive load remains to be determined. The latter may reflect capacity limits.

UI MeSH Term Description Entries
D009048 Motor Skills Performance of complex motor acts. Motor Skill,Skill, Motor,Skills, Motor
D003071 Cognition Intellectual or mental process whereby an organism obtains knowledge. Cognitive Function,Cognitions,Cognitive Functions,Function, Cognitive,Functions, Cognitive
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000375 Aging The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time. Senescence,Aging, Biological,Biological Aging
D013647 Task Performance and Analysis The detailed examination of observable activity or behavior associated with the execution or completion of a required function or unit of work. Critical Incident Technique,Critical Incident Technic,Task Performance,Task Performance, Analysis,Critical Incident Technics,Critical Incident Techniques,Incident Technic, Critical,Incident Technics, Critical,Incident Technique, Critical,Incident Techniques, Critical,Performance, Analysis Task,Performance, Task,Performances, Analysis Task,Performances, Task,Task Performances,Task Performances, Analysis,Technic, Critical Incident,Technics, Critical Incident,Technique, Critical Incident,Techniques, Critical Incident
D014705 Verbal Behavior Includes both producing and responding to words, either written or spoken. Behavior, Verbal,Behaviors, Verbal,Verbal Behaviors
D014796 Visual Perception The selecting and organizing of visual stimuli based on the individual's past experience. Visual Processing,Perception, Visual,Processing, Visual

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