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Age-Related Differences in Time-Based Event Expectancies

Age-Related Differences in Time-Based Event Expectancies The ability to form time-based event expectancies is one of the most important determinants of anticipative behavior. The aim of the present study was to determine whether healthy aging influences the formation of time-based event expectancies. Ten older adults with ages ranging between 60 and 73 years and ten younger adults with ages ranging between 20 and 32 years participated. We employed a binary choice response task mimicking a computer game, in which two target stimuli and two pre-target intervals appeared overall equally often. One of the targets was paired with the short interval and the other target with the long interval in 80% of the trials. Our results showed that younger adults responded more rapidly to frequent interval–target combinations than to infrequent combinations, suggesting that the young participants formed time-based event expectancies. In contrast, the ability to form time-based event expectancies was reduced for older participants. The formation of time-based event expectancies seems to change during healthy aging. We propose that this age-related difference is due to age-related expectation deficits or a reduction of attentional capacities, rather than to deficits in timing abilities. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Timing & Time Perception Brill

Age-Related Differences in Time-Based Event Expectancies

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
2213-445x
eISSN
2213-4468
DOI
10.1163/22134468-20181123
Publisher site
See Article on Publisher Site

Abstract

The ability to form time-based event expectancies is one of the most important determinants of anticipative behavior. The aim of the present study was to determine whether healthy aging influences the formation of time-based event expectancies. Ten older adults with ages ranging between 60 and 73 years and ten younger adults with ages ranging between 20 and 32 years participated. We employed a binary choice response task mimicking a computer game, in which two target stimuli and two pre-target intervals appeared overall equally often. One of the targets was paired with the short interval and the other target with the long interval in 80% of the trials. Our results showed that younger adults responded more rapidly to frequent interval–target combinations than to infrequent combinations, suggesting that the young participants formed time-based event expectancies. In contrast, the ability to form time-based event expectancies was reduced for older participants. The formation of time-based event expectancies seems to change during healthy aging. We propose that this age-related difference is due to age-related expectation deficits or a reduction of attentional capacities, rather than to deficits in timing abilities.

Journal

Timing & Time PerceptionBrill

Published: Jul 12, 2017

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