降低视力 身体特异性 影响心理旋转
Zoé Rotach1, Claude Beazley1, Silvio Ionta1
1Sensory-Motor Lab (SeMoLa), Department of Ophthalmology-University of Lausanne, Jules Gonin Eye Hospital-Fondation Asile des Aveugles, 1004 Lausanne, Switzerland.
Behavioral sciences (Basel, Switzerland)
|September 28, 2024
概括
视觉退化改变了人体感知,改变了手和脚的心理表现策略,而不是整个身体. 这突出了感官变化如何影响我们对身体形象的认知策略.
科学领域:
- 认知神经科学 认知神经科学
- 人类的感知 人类的感知
- 机构代表机构的代表.
背景情况:
- 对自己身体的感知受到感官输入的影响.
- 视觉退化可能会导致精神身体表现的参考框架的变化.
- 之前的研究集中在手的表现上,没有研究其他身体部位.
研究的目的:
- 调查视力衰退是否会影响手,脚和全身的心理表现.
- 为了确定感觉输入的减少是否会诱导特定身体的视觉转移到运动转移.
- 探索改变感官输入如何调节身体表现中的认知策略.
主要方法:
- 35名神经类型参与者在手,脚和全身图像上执行了心理旋转任务 (侧面性判断).
- 通过改变图像/背景对比度来操纵图像的可见性.
- 响应时间 (RT) 分析了与可见度变化和图像视角的关系.
主要成果:
- 图像可见度降低,使手 (手掌视图) 和脚 (背部视图) 的精神旋转的RT斜坡变得更加.
- 对于全身图像,没有观察到RT斜率的显著变化.
- 较的RT斜坡表明转向基于汽车的策略,而较平的斜坡表明基于视觉的策略.
结论:
- 视觉恶化导致身体特定的运动和视觉基于的认知策略之间的身体特异性转变,用于精神身体的表现.
- 大脑根据感官输入的可用性来调整身体表现策略.
- 这些发现揭示了身体感知和认知策略调节的动态性质.
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