Age-Related Changes to Multisensory Integration and Audiovisual Speech Perception.
Age-Related Changes to Multisensory Integration and Audiovisual Speech Perception.
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DOI：
10.3390/brainsci13081126
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发表时间：
2023-07-25
期刊：
影响因子：
3.3
通讯作者：
中科院分区：
文献类型：
--
作者：
多感官整合对于快速准确地感知我们的环境至关重要，特别是在日常任务中，如语音感知。研究强调了调查自下而上和自上而下对多感觉整合的贡献以及这些如何随着年龄的增长而变化的重要性。具体来说，知觉因素，如时间绑定窗口和认知因素，如注意力和抑制似乎是视觉和听觉信息整合的基础，随着年龄的增长，整合可能变得不那么有效。这些因素与上级颞沟等大脑区域有关，阿尔法波段频率的神经振荡也与多感觉处理有关。多感觉整合中与神经系统相关的变化可能对我们日益老龄化的人口的福祉产生重大影响，影响他们与他人沟通和安全通过环境的能力;继续仔细调查围绕这一主题的证据至关重要。这篇综述将讨论与年龄相关的多感觉整合的感知和认知机制的变化，以及这些变化对言语感知和跌倒风险的影响。振荡α活动的作用特别令人感兴趣，因为它可能是多感觉整合调节的关键。
Multisensory integration is essential for the quick and accurate perception of our environment, particularly in everyday tasks like speech perception. Research has highlighted the importance of investigating bottom-up and top-down contributions to multisensory integration and how these change as a function of ageing. Specifically, perceptual factors like the temporal binding window and cognitive factors like attention and inhibition appear to be fundamental in the integration of visual and auditory information—integration that may become less efficient as we age. These factors have been linked to brain areas like the superior temporal sulcus, with neural oscillations in the alpha-band frequency also being implicated in multisensory processing. Age-related changes in multisensory integration may have significant consequences for the well-being of our increasingly ageing population, affecting their ability to communicate with others and safely move through their environment; it is crucial that the evidence surrounding this subject continues to be carefully investigated. This review will discuss research into age-related changes in the perceptual and cognitive mechanisms of multisensory integration and the impact that these changes have on speech perception and fall risk. The role of oscillatory alpha activity is of particular interest, as it may be key in the modulation of multisensory integration.
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