BibTeX
@MISC{Rakitin_dual-taskand,
author = {Brian C. Rakitin},
title = {Dual-task and neuropsychology 1},
year = {}
}
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Abstract
Dual-task and neuropsychology 2 This study examined the relation of dual-task performance to individual differences on neuropsychological tests. Neuropsychological tests scores from 16 young and 16 old participants were simultaneously submitted to a factor analysis that yielded two factors (attention/executive, memory) that differed by age and two that did not (motor speed, cognitive status). Regression analyses revealed that these factors were significant predictors of performance on a delayed visual recognition task but the relationship varied as a function of task condition. The memory and motor speed factors were the strongest predictors of single task performance but the attention/executive factor was the most important predictor of dual-task performance. We conclude that compromised central executive may underlie age-related decline in dual-task performance. Dual-task and neuropsychology 3
Keyphrases
dual-task performance motor speed factor factor analysis important predictor age-related decline motor speed individual difference single task performance attention executive delayed visual recognition task cognitive status neuropsychological test score neuropsychological test task condition attention executive factor significant predictor compromised central executive old participant
