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Following Instructions in Working Memory: Do Older Adults Show the Enactment Advantage?

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published
  • Rachel O. Coats
  • Amanda H. Waterman
  • Fiona Ryder
  • Amy L. Atkinson
  • Richard J. Allen
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<mark>Journal publication date</mark>30/04/2021
<mark>Journal</mark>JOURNALS OF GERONTOLOGY SERIES B-PSYCHOLOGICAL SCIENCES AND SOCIAL SCIENCES
Issue number4
Volume76
Number of pages8
Pages (from-to)703-710
Publication StatusPublished
Early online date1/12/20
<mark>Original language</mark>English

Abstract

Objectives
In young adults, the ability to verbally recall instructions in working memory is enhanced if the sequences are physically enacted by the participant (self-enactment) or the experimenter (demonstration) during encoding. Here we examine the effects of self-enactment and demonstration at encoding on working memory performance in older and younger adults.

Method
Fifty young (18–23 years) and 40 older (60–89 years) adults listened to sequences of novel action-object pairs before verbally recalling them in the correct order. There were three different encoding conditions: spoken only, spoken + demonstration, and spoken + self-enactment. We included two different levels of difficulty to investigate whether task complexity moderated the effect of encoding condition and whether this differed between age groups.

Results
Relative to the spoken only condition, demonstration significantly improved young and older adults’ serial recall performance, but self-enactment only enhanced performance in the young adults, and this boost was smaller than the one gained through demonstration.

Discussion
Our findings suggest that additional spatial-motoric information is beneficial for older adults when the actions are demonstrated to them, but not when the individual must enact the instructions themselves.