目标和侧翼机之间较大的深度差异可能会增加拥挤:来自多深度平面显示的证据
Samuel P Smithers1, Yulong Shao1, James Altham1
1Department of Psychology, Northeastern University, Boston, United States.
eLife
|September 4, 2023
概括
物体之间的深度差异大大增加了视觉拥挤,挑战了之前的假设,即3D环境减少了这种效应. 这会影响对象识别,特别是在外围视觉中.
科学领域:
- 视觉感知 视觉感知 视觉感知
- 心理物理学的精神物理.
- 计算神经科学是一种计算神经科学.
背景情况:
- 拥挤是一种现象,附近的视觉元素阻碍了对象的识别.
- 以前的研究表明,立体深度可以减少拥挤,这意味着在3D环境中不那么重要.
- 现有的研究经常使用不切实际的深度线索,限制了现实世界的适用性.
研究的目的:
- 为了研究大,现实的深度差异对视觉拥挤的影响.
- 为了确定深度是否影响拥挤不同于以前显示的小差异.
- 探索目标侧翼深度配置对拥挤的影响.
主要方法:
- 使用了一种新的多深度平面显示器.
- 测试了大的立体镜深度差异 (0.54-2.25二光).
- 检查了与固定相对不同深度的目标和侧翼的拥挤.
主要成果:
- 较大的目标侧翼深度差异通常会增加拥挤,这与之前的发现相矛盾.
- 当侧翼兵在目标后面 (目标固定时) 时,人群拥挤更加明显.
- 当目标位于侧翼 (侧翼固定时) 后面时,人群拥挤更加明显.
结论:
- 显著的深度差异,即使超出双眼融合极限,也会大大影响拥挤.
- 深度在视觉杂乱和自然环境中的物体识别中发挥着关键作用.
- 这些发现挑战了3D环境本质上减轻拥挤效应的观念.
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