Age Deficits in Associative Memory Are Not Alleviated by Multisensory Paradigms

Stephen P Badham, Christopher Atkin, Jemaine E Stacey, Helen Henshaw, Harriet A Allen and Katherine L Roberts

The Journals of Gerontology: Series B, 2024, vol. 79, issue 7, 93-108

Abstract: ObjectivesAge deficits in memory are widespread, this affects individuals at a personal level, and investigating memory has been a key focus in cognitive aging research. Age deficits occur in memory for an episode, where information from the environment is integrated through the senses into an episodic event via associative memory. Associating items in memory has been shown to be particularly difficult for older adults but can often be alleviated by providing support from the external environment. The current investigation explored the potential for increased sensory input (multimodal stimuli) to alleviate age deficits in associative memory. Here, we present compelling evidence, supported by Bayesian analysis, for a null age-by-modality interaction.MethodsAcross three preregistered studies, young and older adults (n = 860) completed associative memory tasks either in single modalities or in multimodal formats. Study 1 used either visual text (unimodal) or video introductions (multimodal) to test memory for name-face associations. Studies 2 and 3 tested memory for paired associates. Study 2 used unimodal visual presentation or cross-modal visual-auditory word pairs in a cued recall paradigm. Study 3 presented word pairs as visual only, auditory only, or audiovisual and tested memory separately for items (individual words) or associations (word pairings).ResultsTypical age deficits in associative memory emerged, but these were not alleviated by multimodal presentation.DiscussionThe lack of multimodal support for associative memory indicates that perceptual manipulations are less effective than other forms of environmental support at alleviating age deficits in associative memory.

Keywords: Associative deficit hypothesis; Episodic memory; Multisensory stimuli; Paired associates; Sensory deficits (search for similar items in EconPapers)
Date: 2024
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