在帕金森病中使用和不使用视觉线索行走时进行视觉探索:冷机与非冷机对比
Lisa Graham1, Jordan Armitage1, Rodrigo Vitorio1,2
1Department of Sport, Exercise and Rehabilitation, Northumbria University, Newcastle, UK.
Neurorehabilitation and neural repair
|September 29, 2023
概括
视觉线索增强了帕金森病 (PD) 患者的步态和视觉探索,包括那些步态结 (FOG) 患者. 这些改进表明不同的视觉认知处理是不同PD子组的暗示反应的基础.
科学领域:
- 神经科学是一个神经科学.
- 人类运动科学科学 人类运动科学
- 生物医学工程 生物医学工程
背景情况:
- 在帕金森病 (PD) 中,步态障碍很常见,特别是步态结 (FOG).
- 视觉线索可以改善PD的步态,但潜在的机制和个体变异性仍然不清楚.
- 通过视觉探索评估的视觉认知处理是影响对视觉线索反应的潜在因素.
研究的目的:
- 研究视觉线索对PD (有或没有FOG) 和健康对照 (HC) 个体的步态和视觉探索的影响.
- 探索视觉探索的变化和步行改善之间的关系,以响应不同群体和任务条件的视觉线索.
主要方法:
- 参与者包括17个HC,21个没有FOG的PD和22个具有FOG的PD.
- 步行参数 (速度,步伐长度等) 使用惯性传感器进行测量,使用移动眼睛跟踪视觉探索 (摇摆,固定) 进行测量.
- 参与者在单一和双重任务条件下行走,有和没有视觉线索.
主要成果:
- 与HC相比,PD患者的步态受损;双重任务在所有组中都恶化了步态.
- 在所有参与者中,视觉线索改善了步态参数 (步长,脚撞击角度,步长时间) 和视觉探索的变化 (增加跳动频率,降低峰值速度/幅度).
- 步行改善与PD中的视觉探索变化相关,关系因FOG状态和任务条件而异.
结论:
- 视觉线索有利于HC和PD的步态和视觉探索,FOG和非FOG组的效果相似.
- 在PD小组中,暗示诱导的视觉探索和步态变化之间的明显关联表明暗示响应的视觉认知处理机制不同.
关键词:
帕金森病是帕金森氏症的一种疾病.用眼睛追踪来进行追踪.固定物 固定物 固定物结了人的步态.萨卡德斯 (saccades) 是一个古老的书.视觉上的线索 视觉上的线索视觉探索 视觉探索走路走路,走路走路,走路走路.更多相关视频
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