图像曝光时间对面部感知的影响-为什么这很重要
Michael Alfertshofer1,2, Sebastian Cotofana3,4,5, Jeremy B Green6
1Department of Oromaxillofacial Surgery, University Hospital LMU, Munich, Germany.
Journal of cosmetic dermatology
|September 16, 2025
概括
面部凝视模式显示中心特征的一致扫描,转移到具有较长观看时间的表达区域. 这项眼睛追踪研究揭示了眼神持续时间如何影响人脸对年龄和性别的认知.
科学领域:
- 心理学 心理学 心理学
- 人与计算机的交互
- 眼科医生 眼科 眼科
背景情况:
- 面部第一印象对于进化适应至关重要,受到年龄和性别的影响.
- 了解面部感知过程中的目光模式对于美学评估和医疗程序至关重要.
- 在短 (1秒) 和延长 (8秒) 曝光期间的面部凝视分析提供了对关键面部区域和行为的洞察.
研究的目的:
- 调查面部感知是否根据凝视时间不同.
- 分析观看时间如何影响注意力分配到特定的面部区域.
主要方法:
- 用眼睛追踪技术记录了55名观察者对4张面部图像 (年轻/老年男性/女性) 的固定.
- 刺激呈现两次随机顺序,暴露时间为1秒和8秒.
- 在七个面部区域分析了固定计数.
主要成果:
- 观察到一个一致的面部扫描模式,从中心特征 (周围轨道,鼻子,周围耳) 开始,向外扩展.
- 固定模式的轻微变化发生在1秒和8秒曝光之间.
- 特定于年龄和性别的分析揭示了明显的凝视模式差异.
结论:
- 面部扫描无论观看时间如何,都是一致的,优先考虑中心特征.
- 长时间曝光 (8秒) 将焦点转移到与表达相关的区域,如外围区域和额头.
- 对于成熟的面部,更长的观看时间增加了对受年龄影响的区域 (周围区域) 的注意力,这与化品干预相关.
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