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Age-Related Changes to the Attentional Modulation of Temporal Binding

Pepper, JL, Usherwood, B, Bampouras, T and Nuttall, HE (2023) Age-Related Changes to the Attentional Modulation of Temporal Binding. Attention, Perception and Psychophysics. ISSN 1943-3921

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During multisensory integration, the time range within which visual and auditory information can be perceived as synchronous and bound together is known as the temporal binding window (TBW). With increasing age, the TBW becomes wider, such that older adults erroneously, and often dangerously, integrate sensory inputs that are asynchronous. Recent research suggests that attentional cues can narrow the width of the TBW in younger adults, sharpening temporal perception and increasing the accuracy of integration. However, due to their age-related declines in attentional control, it is not yet known whether older adults can deploy attentional resources to narrow the TBW in the same way as younger adults. This study investigated the age-related changes to the attentional modulation of the TBW. Thirty younger and 30 older adults completed a cued-spatial-attention version of the stream-bounce illusion, assessing the extent to which the visual and auditory stimuli were integrated when presented at three different stimulus-onset asynchronies, and when attending to a validly cued or invalidly cued location. A 2 × 2 × 3 mixed ANOVA revealed that when participants attended to the validly cued location (i.e., when attention was present), susceptibility to the stream-bounce illusion decreased. However, crucially, this attentional manipulation significantly affected audiovisual integration in younger adults, but not in older adults. These findings suggest that older adults have multisensory integration-related attentional deficits. Directions for future research and practical applications surrounding treatments to improve the safety of older adults’ perception and navigation through the environment are discussed.

Item Type: Article
Uncontrolled Keywords: 1701 Psychology; 1702 Cognitive Sciences; Experimental Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Divisions: Sport & Exercise Sciences
Publisher: Springer
SWORD Depositor: A Symplectic
Date Deposited: 21 Jun 2023 09:55
Last Modified: 08 Aug 2023 14:15
DOI or Identification number: 10.3758/s13414-023-02756-8
URI: https://researchonline.ljmu.ac.uk/id/eprint/19967

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