当提升准备时,可以使老年人摆脱中心瓶:双重任务自动性的证据
Lucas Rotolo1,2, François Maquestiaux3, Eric Ruthruff4
1Université de Fribourg, Rue P.A. de Faucigny 2, 1700, Fribourg, Suisse. lucasrotolo.psycho@gmail.com.
Attention, perception & psychophysics
|July 25, 2025
概括
老年人可以通过战略平衡任务准备来实现双重任务自动化. 修改准备策略使他们能够绕过中心瓶,提高认知表现.
科学领域:
- 认知心理学 认知心理学
- 衰老的神经科学 衰老的神经科学
背景情况:
- 年轻的成年人可以同时处理两个任务,绕过中央注意力瓶.
- 老年人通常表现出一个中心瓶,妨碍双重任务的性能,即使是简单的任务.
研究的目的:
- 调查老年人无法绕过中心瓶是否是一种对认知缺陷的战略补偿.
- 确定修改注意力准备是否可以使老年人实现双重任务自动性.
主要方法:
- 使用心理耐火期 (PRP) 程序来测量双重任务干扰.
- 实验1复制了老年人中中心瓶的典型发现.
- 实验2通过混合单任务试验来操纵准备,以鼓励均衡的处理.
主要成果:
- 在实验1中,老年人表现出显著的双重任务干扰 (353毫秒),表明中心瓶.
- 在实验2中,再平衡准备导致大多数老年人 (20/24年) 的并行处理.
- 在实验2中,双任务干扰显著减少 (85毫秒),与绕过瓶相一致.
结论:
- 在老年人双重任务执行过程中,主要的瓶是战略性的,与准备有关.
- 老年人可以通过修改他们的准备状态来实现双重任务自动性,以平衡任务之间的注意力.
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