定向调整的环境抑制在感知到的3D表面中最强
Jessy K Possel1,2, Pieter R Roelfsema3,4,5,6, Matthew W Self1,7,8,9
1Department of Vision and Cognition, Netherlands Institute for Neuroscience, Amsterdam, the Netherlands.
Journal of vision
|April 29, 2025
概括
感知到的3D表面结构,不仅仅是深度,显著影响着定向调整周围抑制 (OTSS). 同一个感知表面上的视觉元素显示出更强的抑制,这表明上下组织门早期的视觉处理.
科学领域:
- 视觉感知 视觉感知 视觉感知
- 神经科学是一个神经科学.
- 计算视觉是指计算机视觉.
背景情况:
- 对比的感知受到上下文因素的影响.
- 定向调整的环境抑制 (OTSS) 展示了类似定向的环境如何抑制感知到的对比度.
- 这种现象传统上与视觉皮层早期的水平相互作用有关.
研究的目的:
- 调查感知三维 (3D) 结构在调制OTSS中的作用.
- 要确定是否感知深度或表面连续性是影响抑制相互作用的主要因素.
主要方法:
- 操纵视网膜差异以改变周围元素相对于中央刺激的感知深度.
- 在环境被视为相同或不同的3D表面的一部分的情况下,评估OTSS的强度.
- 改变周围环境的感知深度 (在中心后面或前面).
主要成果:
- OTSS的强度受到现场感知到的3D表面结构的显著调节.
- 将周围置于不同的视网膜差异 (感知深度) 下降了OTSS.
- 对于被认为与中心表面连续的周围,压抑相互作用是最强的,对于被认为是单独的表面的周围,无论深度差异如何,压抑相互作用是最弱的.
结论:
- 感知到的表面连续性,而不是仅仅是深度,是早期视觉中抑制相互作用的关键因素.
- 这些发现表明,更高层次的感知组织可以影响低层次的神经处理.
- 结果挑战了水平相互作用的简单模型,并突出了表面感知在视觉处理中的作用.
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