年龄和流体智能对老年人不同方式的工作记忆的影响:一个温和的调解分析
Eyal Heled1,2, Ohad Levi1
1Department of Psychology, Ariel University, Ariel, Israel.
概括
流体智能可以弥补与年龄相关的工作记忆的下降,特别是在视觉空间和触觉任务中. 这表明特定于模式的认知衰老模式,影响工作记忆 (WM) 存储和操纵能力.
科学领域:
- 认知神经科学 认知神经科学
- 老龄化心理学的心理学
- 人类认知能力 人类认知能力
背景情况:
- 工作记忆 (WM) 涉及暂时保留和操纵信息.
- 跨度范式,使用前向和后向召回,评估WM存储和操纵.
- 脱差理论认为,认知能力可以弥补与年龄相关的衰退.
研究的目的:
- 调查流体智能是否调解了口头,视觉空间和触觉模式的前向和后向回忆之间的联系.
- 检查年龄在这些关系中的调节作用.
- 了解模式特定的工作记忆在衰老中的差异化.
主要方法:
- 106名健康的老年人 (60-89岁) 完成了数字跨度,视空间跨度,触觉跨度和雷文彩色渐进矩阵测试.
- 使用了相关性分析和调节调解模型.
- 年龄被列入作为一个调节变量.
主要成果:
- 在所有三种模式中,在前进和后退召回之间观察到正相关性.
- 对于视觉空间和触觉模式,发现了显著的温和调解,触觉模型更强大.
- 语言模式调解模型是无意义的.
- 流体智能在补偿随着年龄的增长而减少的WM方面发挥了更重要的作用.
结论:
- 工作记忆的存储和操纵是通过不同的感官模式相互连接的.
- 流体智能作为与年龄有关的工作记忆力下降的补偿机制,但这种效应是模式特定的.
- 认知负载影响工作记忆的差异化,突出了老化中的特定模式.
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