测试视觉对象任务中注意力分裂的半场独立性
Dina V Popovkina1,2, John Palmer1,3, Cathleen M Moore4,5
1Department of Psychology, University of Washington, Seattle, WA, USA.
Journal of vision
|November 3, 2023
概括
当刺激处于单独的视觉半场时,分散注意力的效应会减少,但不会被消除. 这表明对象识别过程部分依赖于半场.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 视觉感知 视觉感知 视觉感知
背景情况:
- 分裂注意力效应在认知心理学中得到了充分的证据.
- 基于对象的判断对于理解视觉处理至关重要.
- 视觉半场在注意力分裂中的作用仍在争论中.
研究的目的:
- 调查视觉半场对基于对象的任务中注意力分裂效应的贡献.
- 测试独立,集成或部分依赖的对象识别跨半场的假设.
主要方法:
- 使用双任务模式,比较语义分类任务的性能.
- 操纵的刺激呈现在同一半球场内或单独的左和右半球场内.
- 在这些不同的空间布局下分析了分分注意力效应.
主要成果:
- 与相同的半球场相比,当刺激在单独的半球场中呈现时,分分注意力效应显著减少.
- 然而,在单独的 Hemifield 条件下,分散注意力的效应并没有完全消除.
- 这种调制的大小更接近于集成处理的预测.
结论:
- 不同半场中的对象识别过程既不是完全独立的,也不是完全集成的.
- 结果支持部分依赖的模型,在基于对象的双重任务中,在视野中具有显著的共享处理.
- 这表明主要集成的视觉处理系统用于对象识别,即使刺激在空间上是分开的.
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