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在有脑损伤史的老年人中,视觉,视觉运动和执行功能
Ewa Niechwiej-Szwedo1, Jordan Hobson1, Andrew Chaston1
1Department of Kinesiology and Health Sciences, Waterloo, Ontario, Canada.
概括
具有创伤性脑损伤 (TBI) 史的老年人表现出更慢的执行功能,特别是在眼运动任务中,支持加速衰老假说. 这种认知减速可能会影响社区参与.
科学领域:
- 神经科学是一个神经科学.
- 老年学是指老年学的学科.
- 认知心理学 认知心理学
背景情况:
- 创伤性脑损伤 (TBI) 可以导致持续的感觉运动和执行功能缺陷.
- 与年龄相关的认知衰退是一个记录良好的现象.
- 创伤损伤对衰老过程的影响仍然是积极调查的领域.
研究的目的:
- 为了调查TBI病史的老年人加速衰老假说.
- 评估TBI是否会加剧与年龄相关的视力,精细运动技能和执行功能的下降.
- 探索这个群体的认知功能和生活质量之间的关系.
主要方法:
- 招募了27名社区老年人的队列,使用俄俄州立大学TBI识别方法确定了TBI历史.
- 参与者进行了视觉敏度,对比度灵敏度,双眼视力,视觉运动控制 (精确抓取) 和执行功能 (反冲击任务) 的评估.
- 通过调查问卷对有TBI史的参与者的生活质量进行了评估.
主要成果:
- 两组之间在视力或精细运动技能方面没有发现显著差异.
- 患有TBI病史的个体在眼运动测试中表现出显著更长的冲动延迟 (10%-12%的差异,p <0.05).
- 探索性分析显示,抗震迟缓和心理社会再融入得分之间存在负相关性.
结论:
- 眼运动测试,特别是动迟缓,是检测TBI老年人的执行功能差异的敏感措施.
- 观察到的萨卡德减速支持在TBI的背景下加速衰老的假设.
- 与TBI史相关的认知变化可能会影响个体的社区参与水平和生活方式.
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