A semantic strategy instruction intervention aimed at boosting young and older adults’ visual working memory capacity

Research output: Contribution to journalArticlepeer-review

Abstract

Greater semantic availability (meaningfulness) within visual stimuli can positively impact visual working memory performance. Across two experiments, we investigated the effects of semantic availability and, for the first time, semantic strategy instruction on visual working memory performance. Experiment 1 focused on young adults’ (18-35 years) strategies during visual matrix task recognition. Results highlighted an existing propensity to report incorporating a semantic strategy. Interestingly, there was no significant effect of semantic availability within the task stimuli. Semantic strategy instruction also did not boost, or indeed hinder, accuracy. Experiment 2 incorporated older adults (60-87 years) and highlighted marked differences in capacity with older age. Greater semantic availability reliably benefitted capacity for young adults only. Furthermore, semantic strategy instruction neither boosted nor hindered capacity, even in older adults. There were also some interesting patterns regarding reported strategy use across groups. Again, participants did report spontaneously using semantic strategies, particularly young adults. However, instruction may have encouraged more frequent use of semantic strategies in older adults. Finally, the results suggest a role for task practice, likely related to strategy development and implementation over time. Future semantic strategy instruction protocols may need to incorporate more extensive training and/or practice to benefit working memory capacity.
Original languageEnglish
JournalMemory & Cognition
DOIs
Publication statusAccepted/In press - 11 Dec 2024

Keywords

  • visual working memory
  • strategy instruction training
  • semantic long-term memory
  • cognitive ageing/aging

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