语义认知的兴衰:在晚年积累的知识被语义控制的下降所抵消
Paul Hoffman1, Clementine Figgis1, Rachel Gorton1
1School of Philosophy, Psychology and Language Sciences, University of Edinburgh.
Journal of experimental psychology. General
|January 6, 2026
概括
老年人拥有更多的世界知识,但由于语义控制的下降,与灵活的知识应用作斗争,影响新的情况.
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
背景情况:
- 语义认知,即使用世界知识来指导行为,对于日常运作至关重要.
- 人们经常认为,语义认知在衰老过程中保持完整,可能会补偿其他认知衰退.
- 然而,与年龄相关的对非语言知识和语义控制过程的影响尚未得到充分研究.
研究的目的:
- 调查成年人一生中语义认知中的与年龄相关的变化.
- 评估语言和非语言语义知识,以及语义控制能力.
- 检查老化如何影响语义知识的灵活激活和抑制.
主要方法:
- 对537名年龄在2091岁的成年人进行了语义认知的综合评估.
- 该研究评估了口头语义知识,非语言语义知识和受控语义处理.
- 特别注意的是抑制无关的语义信息的能力.
主要成果:
- 语言语义知识在整个成年期都呈现出线性增长.
- 非语言语义知识在50岁左右停滞.
- 控制的语义处理表现出与年龄相关的衰退,特别是抑制不相关的知识.
结论:
- 语义认知在老年人中并非保持一致.
- 虽然知识的获取继续,但灵活利用这些知识的能力随着年龄的增长而减少.
- 由于语义控制的减少,老年人可能会发现更有挑战性地将他们的知识适应于新奇的情况.
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