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相关概念视频

Cognitive Development During Adulthood01:30

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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
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相关实验视频

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A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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主观认知衰退中的注意力控制

Yintong Li1, Jinghua Bian1, Yongna Li1

  • 1Department of Psychology, Renmin University of China, Beijing, China.

Journal of Alzheimer's disease : JAD
|October 9, 2023
PubMed
概括

患有主观认知衰退 (SCD) 的老年人表现出主动控制受损,这是一个关键的注意力功能. 这一发现对于理解超越记忆的认知变化以及对早期阿尔茨海默病的评估至关重要.

科学领域:

  • 认知神经科学 认知神经科学
  • 老年学是一门学科.
  • 神经学 神经学

背景情况:

  • 注意力对认知功能至关重要,但它在认知衰退的老年人中的具体下降还没有得到充分研究.
  • 很少有研究在经历主观认知衰退 (SCD) 的老年人中检查注意力子功能.
  • 没有先前的研究比较了健康对照组 (HC) 和患有SCD的个体之间的主动和反应性注意力控制.

研究的目的:

  • 研究SCD患者注意力网络功能 (警报,定向,执行控制) 的研究.
  • 探索SCD中主动和反应性注意力控制模式的潜在障碍.
  • 与健康对照人群相比,在SCD中区分注意力控制缺陷.

主要方法:

  • 招募了25名健康对照 (HC) 和26名主观认知衰退 (SCD) 个体.
  • 进行了全面的神经心理评估.
  • 利用注意力网络测试 (ANT) 和比例对等效应任务来测量注意力网络和控制模式.

主要成果:

  • 通过ANT.通过SCD和HC组之间的警报,导向或执行控制没有观察到任何显著差异.
  • 反应对照在SCD和HC组之间没有差异.
  • 与HC相比,患有SCD的个体在主动控制中表现明显较差.
关键词:
阿尔茨海默氏症是阿尔茨海默氏症的一种疾病.关注注意力注意力注意力注意力注意力网络测试 测试注意力网络测试积极主动控制 积极主动控制反应式控制的反应控制.主观认知衰退 主观认知衰退

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结论:

  • 患有SCD的老年人表现出主动注意力控制的特定缺陷.
  • 这些发现突出了SCD中超越记忆的客观认知衰退.
  • 这些结果支持阿尔茨海默病 (AD) 的早期评估和预防策略.