在视力受损的成年人中,手和脚的高估
Lara A Coelho1, Claudia L R Gonzalez2, Carolina Tammurello3
1Unit for visually impaired (UVIP), Italian Institute of Technology, Genova, Italy.
Neuroscience
|November 9, 2024
概括
视力受损的成年人同样高估了手和脚的大小. 视障人士高估了手比脚,这表明视觉剥夺会影响身体的表现.
科学领域:
- 神经科学是一个神经科学.
- 感官感知是一种感官感知.
- 人类因素 人类因素
背景情况:
- 视力障碍与感官能力 (音频,触觉,自感) 的降低有关.
- 不准确的身体表现可能是这些感官缺陷的基础.
- 有限的研究存在于视力障碍的个体的尺度体表征.
研究的目的:
- 用一种新的触觉探索任务,研究视力受损成年人的度量体表征.
- 为了比较视力障碍者和有视力的对照者之间的身体尺寸感知.
- 检查身体尺寸高估的潜在性别差异,特别是与视觉体验相关的差异.
主要方法:
- 开发了一个生态有效的行为任务,涉及触觉探索各种尺寸的手套和鞋子.
- 视力受损的成年人和年龄/性别匹配的视力对照表明服装物品是否比他们自己的手或脚大.
- 心理测量曲线与数据相匹配,以确定主观平等的点,比较感知与实际尺寸.
主要成果:
- 视力受损的参与者对手和脚都表现出类似的高估.
- 视觉控制器明显高估了手的大小与脚大小相比.
- 在视力受损组中没有观察到身体尺寸高估的显著性别差异.
结论:
- 结果部分支持这样的假设,即视觉剥夺导致扭曲的身体表现.
- 视觉剥夺,即使是短时间的视觉剥夺,似乎有助于过度估计手的尺寸.
- 视觉理想的缺失可能会减轻盲人对身体尺寸感知的基于性别的差异.
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