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Spatial navigation ability is associated with the assessment of smoothness of driving during changing lanes in older drivers.

Abstract：

BACKGROUND:Age-related changes affect driving ability, including the smoothness of driving. This operation requires the use of both allocentric strategies (based on world-centered representations) and egocentric strategies (based on self-centered representations); however, with age, a greater preference for egocentric strategies is evident when driving. Furthermore, an age-related decline occurs in both driving ability and spatial navigation. We therefore assessed the relationship between spatial navigation and driving smoothness and tested whether a driving simulator can be used to evaluate smooth lane changes in older drivers. METHODS:A total of 34 healthy older drivers (mean age: 68.2 ± 5.4 years old) and 20 younger drivers (mean age = 20.2 ± 5.4 years old) participated in this study. The smoothness of driving was assessed using a driving simulator and spatial navigation was assessed using the Card-Placing Test-A/B. We also assessed visual perception and general intellectual function using standard neuropsychological tests. RESULTS:Older drivers had significantly worse spatial navigation and exhibited less smooth driving than younger drivers. Furthermore, we found a negative correlation between the smoothness of driving and spatial navigation within both groups. These results suggest that the deterioration in spatial navigation in older people may underlie the observed decrease in driving smoothness, and that spatial navigation and smooth driving deteriorate with age. CONCLUSIONS:Considering these results, we found a significant correlation in the older group between the smoothness of vehicle movement and spatial navigation, in the smoothness of vehicle movement between the young and old groups. The smoothness values, which indices thoroughly derived from the driving simulator are indeed showing some evidence in ego/allocentric cognitions, which may change by age. The driving simulator could aid the development of intervention programs or assessment measures for drivers with a decreased function.

journal_name

J Physiol Anthropol

journal_title

Journal of physiological anthropology

authors

Kunishige M,Miyaguchi H,Fukuda H,Iida T,Nami K,Ishizuki C

doi

10.1186/s40101-020-00227-9

subject

Has Abstract

pub_date

2020-08-27 00:00:00

pages

issue

eissn

1880-6791

issn

1880-6805

pii

10.1186/s40101-020-00227-9

journal_volume

pub_type

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Spatial navigation ability is associated with the assessment of smoothness of driving during changing lanes in older drivers.