虚幻的倾斜不会诱导光静态扭转
Mihret Girum1,2, Ariel Winnick1,3, Jorge Otero-Millan1,3
1Herbert Wertheim School of Optometry and Vision Science, University of California, Berkeley, USA.
bioRxiv : the preprint server for biology
|August 6, 2025
概括
虚幻的视觉倾斜不会触发光静电扭曲 (OST),眼睛运动对感知到图像倾斜的反应. 真实倾斜的图像和控制刺激引起了OST,这表明视觉倾斜感知与驱动OST的运动反应之间存在分离.
科学领域:
- 神经科学是一个神经科学.
- 视觉感知 视觉感知 视觉感知
- 眼科医生 眼科 眼科
背景情况:
- 静态扭转 (OST) 是眼睛运动对观看倾斜图像的反应,涉及在视线周围旋转1°.
- 这种反应通常与感知图像倾斜的方向保持一致,表明视觉输入和眼睛运动控制之间的联系.
研究的目的:
- 调查视觉倾斜的虚幻感知是否足以引起光静态扭曲 (OST).
- 为了确定OST的运动反应是否与视觉倾斜的主观感知分离.
主要方法:
- 基于咖啡馆墙的幻觉,创建了一个虚幻刺激来模拟倾斜的房间.
- 感知倾斜大小是使用两种替代强制选择 (2AFC) 任务来测量的.
- 在十名受试者中记录了双筒眼动,这些受试者观看虚幻的,真实的倾斜景观,并控制刺激.
主要成果:
- 虚幻刺激诱导了大约±3.7°的感知倾斜,但没有产生显著的OST (p=0.15).
- 真实倾斜的景观 (±4°和±30°倾斜) 和控制刺激引起了显著的OST (p<0.05).
- 在景观和控制条件下观察到左侧与右侧倾斜配置的显著OST.
结论:
- 虚幻的视觉倾斜,与真实的倾斜不同,似乎不足以产生光静电扭曲 (OST).
- 这表明大脑处理视觉倾斜和控制OST反应的运动通路之间的潜在分离.
- 需要进一步的研究,以了解这种解离背后的神经机制.
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