随着时间的推移,多感觉整合精度与老年人更好的认知表现有关:一项大规模的探索性研究

IF 1.7 Q3 CLINICAL NEUROLOGY Aging brain Pub Date : 2022-01-01 DOI:10.1016/j.nbas.2022.100038
Rebecca J. Hirst , Annalisa Setti , Céline De Looze , Rose Anne Kenny , Fiona N. Newell
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引用次数: 10

摘要

与年龄相关的感官衰退会影响认知表现,并使个体面临更大的认知衰退风险。感官的整合也会随着年龄的增长而改变,然而多感官知觉和认知老化之间的联系却知之甚少。我们从爱尔兰老龄化纵向研究中探索了2875名50岁成年人的多感觉统合和认知功能之间的关系 + 。使用声音诱导闪光错觉(SIFI)评估了几种视听时间异步的多感觉整合。更精确的整合(即更少的幻觉敏感性与更大的时间异步)与更快的选择反应时间和颜色轨迹任务的表现以及更少的错误在持续关注反应任务上相关。然后,我们使用k-均值聚类来识别具有不同10年认知轨迹的群体。延迟记忆,即时记忆和语言流畅性。在各种测量中,表现轨迹始终较高的组具有更精确的多感官整合。这些发现支持了多感觉整合与包括处理速度、注意力和记忆在内的几种认知测量之间的广泛联系,而不是与任何特定的子领域有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Multisensory integration precision is associated with better cognitive performance over time in older adults: A large-scale exploratory study

Age-related sensory decline impacts cognitive performance and exposes individuals to a greater risk of cognitive decline. Integration across the senses also changes with age, yet the link between multisensory perception and cognitive ageing is poorly understood. We explored the relationship between multisensory integration and cognitive function in 2875 adults aged 50 + from The Irish Longitudinal Study on Ageing. Multisensory integration was assessed at several audio-visual temporal asynchronies using the Sound Induced Flash Illusion (SIFI). More precise integration (i.e. less illusion susceptibility with larger temporal asynchronies) was cross-sectionally associated with faster Choice Response Times and Colour Trail Task performance, and fewer errors on the Sustained Attention to Response Task. We then used k-means clustering to identify groups with different 10-year cognitive trajectories on measures available longitudinally; delayed recall, immediate recall and verbal fluency. Across measures, groups with consistently higher performance trajectories had more precise multisensory integration. These findings support broad links between multisensory integration and several cognitive measures, including processing speed, attention and memory, rather than association with any specific subdomain.

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Aging brain
Aging brain Neuroscience (General), Geriatrics and Gerontology
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