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艾滋病毒中的语义记忆导航:概念关联和单词选择模式
Carolina A Gattei1,2,3, Franco J Ferrante3,4,5, Bárbara Sampedro6
1Escuela de Gobierno, Universidad Torcuato Di Tella, Buenos Aires, Argentina.
The Clinical neuropsychologist
|October 23, 2024
概括
艾滋病毒感染者 (PLWH) 显示出不同的语义记忆模式,使用替代的词寻找策略. 这些概念关联和词汇选择的差异不管其他认知症状如何,都会持续存在,有助于理解与艾滋病毒相关的认知缺陷.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 传染性疾病 传染性疾病
背景情况:
- 轻度神经认知障碍是患有人类免疫缺陷病毒 (HIV) 的个体的一个问题.
- 了解艾滋病毒感染者 (PLWH) 的语义记忆对于表征认知缺陷至关重要.
研究的目的:
- 描述轻度神经认知障碍的PLWH中的语义记忆概况.
- 与对照组相比,探索PLWH中的概念关联和单词选择模式.
主要方法:
- 使用语义相关性任务来评估单词选择模式.
- 参与者包括50名PLWH和46名没有艾滋病毒的对照.
- 研究人员检查了与工作记忆,认知灵活性,抑制控制和病毒载荷的相关性.
主要成果:
- 两组之间没有观察到精度的显著差异.
- PLWH产生了更长的响应,使用了更少的超词,更多的特罗波尼姆,更频繁的单词,以及具有更多声学邻居的单词.
- 这些语义记忆模式独立于认知状态,工作记忆,认知灵活性,抑制控制和病毒载荷.
结论:
- PLWH可能会在语义内存导航中使用替代的词查找策略.
- 这些发现有助于描述与艾滋病毒相关的认知缺陷.
- 这项研究可能有助于识别HIV相关认知疾病的新生物标志物.
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