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The effect of visual distraction on auditory-visual speech perception by younger and older listeners

机译:视觉分散对年轻和年长听众的听觉-视觉言语感知的影响

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摘要

Visual distractions are present in real-world listening environments, such as conversing in a crowded restaurant. This study examined the impact of visual distractors on younger and older adults' ability to understand auditory-visual (AV) speech in noise. AV speech stimuli were presented with one competing talker and with three different types of visual distractors. SNR50 thresholds for both listener groups were affected by visual distraction; the poorest performance for both groups was the AV + Video condition, and differences across groups were noted for some conditions. These findings suggest that older adults may be more susceptible to irrelevant auditory and visual competition in a real-world environment.
机译:视觉干扰会出现在现实世界的收听环境中,例如在拥挤的餐厅中进行交谈。这项研究检查了视觉干扰因素对年轻人和成年人理解噪声中听觉(AV)语音的能力的影响。向一名竞争性讲话者和三种不同类型的视觉干扰器演示了视听语音刺激。两组听众的SNR50阈值均受到视力分散的影响;两组中最差的表现是AV + Video条件,并且在某些条件下注意到了组之间的差异。这些发现表明,在现实环境中,老年人可能更容易受到无关的听觉和视觉竞争的影响。

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