检查老年人视觉语言的好处:两个说话的面孔的效果,有和没有线索
Julie Beadle1, Jeesun Kim2, Chris Davis2
1Gerontology Research Centre, Simon Fraser University, Vancouver, British Columbia, Canada.
概括
年长的成年人经历了较小的视觉语言的好处与多个面孔,由于从无关的说话者分心,影响小组对话. 这突出了听觉视觉语音感知中的认知负载.
科学领域:
- 听力学 听力学是指听力学.
- 认知神经科学 认知神经科学
- 老年学是指老年学的学科.
背景情况:
- 视觉语音的好处,或麦格格尔克效应,增强了语音感知.
- 认知处理需求可能会限制老年人的这种益处,特别是多个听觉和视觉语音流.
研究的目的:
- 为了调查老年人是否在观看多个说话的面孔时会减少视觉语言的好处.
- 为了确定处理无关视觉语音增加的认知负载是否会影响老年人的听觉视觉语音感知.
主要方法:
- 对年轻和年长的成年人进行了语音感知噪音任务.
- 参与者完成了一个或两个说话的面孔 (有效或模两可的线索) 和仅听觉语音的条件.
主要成果:
- 两个年龄组都表现出更好的语音识别与有效的线索,但这种效应在老年人中较小.
- 年长的成年人在有效的提示条件下表现比年轻的成年人更差,这表明不相关的面孔分散了注意力.
结论:
- 老年人减少视觉语言的好处很可能是由于与无关的说话面孔的分心.
- 这种分心可能会限制在复杂的社会环境中视觉语言的好处,比如老年人的小组对话.
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