在老年人中减少半球间转移:从分裂的视野中得到的证据表明,单背任务是单背任务
1School of Psychology, University of Leeds.
Psychology and aging
|July 18, 2024
概括
老年人在视觉工作记忆任务中表现出更多的错误,这些任务需要大脑半球之间的通信. 这表明与年龄相关的体变化可能会损害半球间传输.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 老年学是指老年学的学科.
背景情况:
- 老化的大脑经历结构变化,特别是在体中,这是半球间通信的关键途径.
- 与年龄相关的退化,特别是在前脑体中,提出了关于对认知过程的功能影响的问题.
研究的目的:
- 调查老年人视觉工作记忆 (VWM) 的半球间转移中的潜在妥协.
- 探索与年龄相关的大脑结构变化对认知功能的功能后果.
主要方法:
- 两项实验使用了对年轻 (18-28岁) 和年长 (65-85岁) 成人的修改后的单背模式.
- 参与者在两种半球场中顺序呈现刺激,并确定匹配,刺激有时在相反的半球场中.
主要成果:
- 较年长的成年人在刺激出现在相反的半球场中时,与相同的半球场相比,他们犯的匹配错误明显更多.
- 这与年轻的成年人形成鲜明对比,表明半球间VWM转移的具体缺陷.
结论:
- 研究结果表明,老年人视觉工作记忆的半球间转移减少.
- 这种缺陷可能与前脑质体的与年龄相关的缩有关,影响大脑连接.
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