在老年人耳植入后,增强的工作记忆并不能完全调解CI与改善语义流性之间的关系
Maria Huber1, Angelika Illg2, Lisa Reuter2
1Department of Otorhinolaryngology, Head and Neck Surgery, Paracelsus Medical University Salzburg, Salzburg, Austria.
Frontiers in aging neuroscience
|February 2, 2026
概括
耳植入 (CI) 改善了老年人的语义流性和工作记忆. 增强的工作记忆部分解释了语义流度的增长,这表明其他认知因素也有助于CI后的改善.
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
- 听力学 听力学是指听力学.
背景情况:
- 耳植入器 (CI) 已被证明可以改善老年人的语义流性,但在年轻或中年人中并非如此.
- 在老年人中,在CI后的语义流性改善背后的认知因素需要进一步研究.
研究的目的:
- 在老年人耳植入后,识别与语义流性改善相关的认知变量.
- 确定工作记忆的改善是否调解了CI和语义流性之间的关系.
主要方法:
- 一项多中心队列研究包括没有痴呆症的患者,患有成人发作的对称听力损失.
- 参与者 (年轻者:25-59岁,n=20;年长者:60-75岁,n=21) 在CI之前和12个月后接受认知测试.
- 认知测试包括单词流,工作记忆,认知灵活性,抑制和口头情节性记忆.
主要成果:
- 老年人在CI后的语义流性和工作记忆方面表现出显著的改善;年轻人没有.
- 在老年人中,语义流性的改善与工作记忆的改善有显著的相关性.
- 调解分析表明,工作记忆的改善占语义流性增强的28%.
结论:
- 增强的工作记忆部分介绍了老年人CI和语义流性之间的关系.
- 改善后CI的其他认知变量也可能影响语义流性结果.
- 这些发现突显了老年人群中受耳植入影响的认知功能的复杂相互作用.
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