从不舒服到危险:探索情感障碍特征如何影响避免踏步的情况
Zhong Jian Chee1, Martin Giesel1, Constanze Hesse1
1University of Aberdeen, UK.
Perception
|July 30, 2025
概括
感知情感评估,如危险性,而不仅仅是不愉快,影响人们如何调整他们跨越障碍的步伐. 这项研究阐明了感知到的风险如何影响出行期间的避开策略.
科学领域:
- 生物力学 生物力学
- 感知 感知 感知 感知
- 人类运动控制人体运动控制
背景情况:
- 跨越障碍物包括调整脚的轨迹,以避免危险的表面.
- 已知障碍物高度和稳定性会影响踏步,但情感评估 (危险性,不愉快性,疼痛性) 的作用不太清楚.
研究的目的:
- 调查感知情感评估如何调节避障策略.
- 为了确定不愉快性,危险性或疼痛性等级是否会影响最小足距 (MFC) 和跨越步骤的长度.
- 区分不愉快与感知风险对踏步行为的影响.
主要方法:
- 实验1:参与者 (N=20) 跨过石头覆盖的障碍物,对单眼和双眼视觉的不愉快程度进行评分,测量MFC和步骤长度.
- 实验2:参与者 (N=22) 跨越尖或光滑的障碍物,评价不愉快,危险和痛苦,测量MFC和步骤长度.
- 对感知评级进行统计分析,以评估与避免参数的相关性.
主要成果:
- 单眼视力最初增加了MFC,在试验中习惯了.
- 与光滑的障碍物相比,尖的障碍物MFC更高.
- 感知到的危险性,而不是不愉快性,与实验2中的穿越步骤长度正相关,控制其他因素.
结论:
- 感知情感性质,特别是感知危险性,显著调节避障参数,如穿越的步骤长度.
- 情感性质对步行行为的影响是特定于刺激的,并且依赖于任务.
- 未来的研究应该考虑不同情感维度在安全导航的运动控制中的微妙作用.
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