Collision avoidance behavior as a function of aging and tennis playing
- 12 September 2007
- journal article
- research article
- Published by Springer Nature in Experimental Brain Research
- Vol. 184 (4) , 457-468
- https://doi.org/10.1007/s00221-007-1117-7
Abstract
Daily living often requires pedestrians and drivers to adapt their behavior to the displacement of other objects in their environment in order to avoid collision. Yet little research has paid attention to the effect of age on the completion of such a challenging task. The purpose of this study was to examine the relationship between age and collision avoidance skill and whether a sporting activity affects this. Three age groups (20–30, 60–70, and 70–80 years) of tennis players and non-players launched a projectile toward a target in order to hit it before it was hit by another “object” (a stimulus represented by apparent motion of lights). If the participant judged that time-to-collision (TTC) of the moving stimulus was not long enough for him/her to launch the projectile in time to arrive before the stimulus, the participant had to inhibit the launching. Results showed that for the non-players the number of errors in the 70–80 year-old group was significantly higher than those of the 20–30 and 60–70 year-old groups, which did not differ from each other. However, this increase was not observed in the 70-80 year-old tennis players, demonstrating a beneficial effect of playing tennis on collision avoidance skill. Results also revealed that the older groups of both tennis players and non-players were subject to the typical age-related increase in response time. Additional analyses indicated that the 70–80 year-old non-players did not adjust their actions to these age-related changes in response time. The older tennis-playing participants, however, were more likely to adjust collision avoidance behavior to their diminished response times.Keywords
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