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相关概念视频

Longitudinal Research02:20

Longitudinal Research

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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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相关实验视频

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Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
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在整个生命周期中量化注意力跨度.

Alexander J Simon1,2,3, Courtney L Gallen1,2,3, David A Ziegler1,2,3

  • 1Neuroscape Center, University of California, San Francisco, San Francisco, CA, United States.

Frontiers in Cognition
|November 3, 2023
PubMed
概括

这项研究引入了注意力持续时间的新指标,测量了任务期间最长的最佳关注时间. 注意力跨度因年龄而异,并且下降与儿童的注意力不集中症状有关.

关键词:
他们的注意力 span span.注意力建模的模型.持续执行任务 (CPT) 持续执行任务 (CPT)持续的注意力持续的注意力警度下降 警度下降

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相关实验视频

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科学领域:

  • 认知心理学 认知心理学
  • 神经科学是一个神经科学.
  • 人类发展 人类发展

背景情况:

  • 传统的持续注意力测量方法,如响应时间,无法捕捉最佳焦点的持续时间.
  • 需要客观的指标来量化个人能够长时间保持注意力.

研究的目的:

  • 开发和验证客观地衡量注意力持续时间的方法.
  • 评估不同年龄组 (儿童,年轻人,老年人) 的注意力.
  • 探索注意力和注意力缺失症状之间的关系.

主要方法:

  • 开发了一种新的注意力跨度度指标,量化"在区域内"持续注意力状态的最大持续时间.
  • 使用连续性表现任务来评估注意力.
  • 招募了262名年龄在7-85岁的人群.

主要成果:

  • 发现年轻人注意力最长,儿童注意力最短,老年人注意力最短.
  • 在任务参与期间注意力持续时间的下降与儿童注意力不集中的临床症状相关.
  • 开发的指标显示了整个寿命的变化.

结论:

  • 量化注意力度提供了一个独特而有意义的持续注意力的评估.
  • 这一指标对于评估整个生命周期的注意力和不注意的临床人群来说是有价值的.
  • 这些发现突出了与年龄相关的注意力持续时间的差异及其临床相关性.