视觉空间处理速度在整个寿命的功能相关性
Courtney Aul1,2, Julia M Brau1,3, Alexander Sugarman3
1Boston Attention and Learning Laboratory (BALLAB), VA Boston Healthcare System, Boston, MA, USA.
Cognitive research: principles and implications
|August 4, 2023
概括
视觉空间处理速度对于日常任务至关重要,在成年早期达到顶峰,随着年龄的增长而下降. 一项新的基于网络的测试显示,在60岁时,表现显著下降,影响了移动性.
科学领域:
- 认知神经科学 认知神经科学
- 人类寿命发展 人类寿命发展
- 心理测量 心理测量 心理测量
背景情况:
- 视觉空间处理速度对于驾驶和行走等日常活动至关重要.
- 目前对整个寿命的视觉空间处理速度的理解是不完整的.
- 现有的评估工具不适合进行无监督的,基于网络的测试.
研究的目的:
- 开发和验证一个新的,基于Web的视觉空间处理速度 (VIPS) 任务.
- 描述视觉空间处理速度的寿命轨迹.
- 检查VIPS表现和功能障碍之间的关系.
主要方法:
- 开发了一个新的VIPS任务,结合了中央导向歧视和外围视觉搜索.
- 在86名年轻成年人 (18-30岁) 中,与传统的神经心理测量相比,验证了VIPS任务.
- 通过Web平台TestMyBrain.org.org收集了来自4395名参与者 (12-62岁) 的寿命数据.
主要成果:
- VIPS任务性能与选择性注意力,执行功能,视觉速度和工作记忆有显著的相关性.
- 视觉空间处理速度在20多岁早期达到顶峰,到60岁时,性能值翻了一番.
- VIPS的表现与自我报告的认知缺陷相关,并且与中年人的移动性问题有关.
结论:
- 新的VIPS任务有效地测量了基于Web的环境中整个生命周期的视觉空间处理速度.
- 视觉空间处理速度显示,从早期成年到老年明显下降.
- 这些发现支持VIPS任务对早期发现认知衰退和确定干预目标的有用性.
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