TY - JOUR
T1 - The Association between High Neuroticism-Low Extraversion and Dual-Task Performance during Walking while Talking in Non-demented Older Adults
AU - LeMonda, Brittany C.
AU - Mahoney, Jeannette R.
AU - Verghese, Joe
AU - Holtzer, Roee
N1 - Publisher Copyright:
Copyright © The International Neuropsychological Society 2015.
PY - 2015/6/15
Y1 - 2015/6/15
N2 - The Walking While Talking (WWT) dual-task paradigm is a mobility stress test that predicts major outcomes, including falls, frailty, disability, and mortality in aging. Certain personality traits, such as neuroticism, extraversion, and their combination, have been linked to both cognitive and motor outcomes. We examined whether individual differences in personality dimensions of neuroticism and extraversion predicted dual-task performance decrements (both motor and cognitive) on a WWT task in non-demented older adults. We hypothesized that the combined effect of high neuroticism-low extraversion would be related to greater dual-task costs in gait velocity and cognitive performance in non-demented older adults. Participants (N = 295; age range, = 65-95 years; female = 164) completed the Big Five Inventory and WWT task involving concurrent gait and a serial 7's subtraction task. Gait velocity was obtained using an instrumented walkway. The high neuroticism-low extraversion group incurred greater dual-task costs (i.e., worse performance) in both gait velocity {95% confidence interval (CI) [-17.68 to -3.07]} and cognitive performance (95% CI [-19.34 to -2.44]) compared to the low neuroticism-high extraversion group, suggesting that high neuroticism-low extraversion interferes with the allocation of attentional resources to competing task demands during the WWT task. Older individuals with high neuroticism-low extraversion may be at higher risk for falls, mobility decline and other adverse outcomes in aging. (JINS, 2015, 21, 519-530).
AB - The Walking While Talking (WWT) dual-task paradigm is a mobility stress test that predicts major outcomes, including falls, frailty, disability, and mortality in aging. Certain personality traits, such as neuroticism, extraversion, and their combination, have been linked to both cognitive and motor outcomes. We examined whether individual differences in personality dimensions of neuroticism and extraversion predicted dual-task performance decrements (both motor and cognitive) on a WWT task in non-demented older adults. We hypothesized that the combined effect of high neuroticism-low extraversion would be related to greater dual-task costs in gait velocity and cognitive performance in non-demented older adults. Participants (N = 295; age range, = 65-95 years; female = 164) completed the Big Five Inventory and WWT task involving concurrent gait and a serial 7's subtraction task. Gait velocity was obtained using an instrumented walkway. The high neuroticism-low extraversion group incurred greater dual-task costs (i.e., worse performance) in both gait velocity {95% confidence interval (CI) [-17.68 to -3.07]} and cognitive performance (95% CI [-19.34 to -2.44]) compared to the low neuroticism-high extraversion group, suggesting that high neuroticism-low extraversion interferes with the allocation of attentional resources to competing task demands during the WWT task. Older individuals with high neuroticism-low extraversion may be at higher risk for falls, mobility decline and other adverse outcomes in aging. (JINS, 2015, 21, 519-530).
KW - Aging
KW - Cognition
KW - Dual-tasking
KW - Gait
KW - Mobility
KW - Personality
UR - http://www.scopus.com/inward/record.url?scp=84941212728&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84941212728&partnerID=8YFLogxK
U2 - 10.1017/S1355617715000570
DO - 10.1017/S1355617715000570
M3 - Article
C2 - 26527241
AN - SCOPUS:84941212728
SN - 1355-6177
VL - 21
SP - 519
EP - 530
JO - Journal of the International Neuropsychological Society
JF - Journal of the International Neuropsychological Society
IS - 7
ER -