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相关概念视频

Cognitive Development During Adulthood01:30

Cognitive Development During Adulthood

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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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相关实验视频

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A Method for Investigating Age-related Differences in the Functional Connectivity of Cognitive Control Networks Associated with Dimensional Change Card Sort Performance
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在成年人一生中,频率分辨的皮质功能连接性.

Santeri Ruuskanen1, Juan Camilo Avendano-Diaz1, Mia Liljeström1,2

  • 1Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, Finland.

Human brain mapping
|February 27, 2026
PubMed
概括

大脑的功能连接随着年龄的增长而发生变化. 静态网络显示频率特定的变化,其中一些变化下降,另一些变化增加,影响传感运动功能.

关键词:
衰老的衰老 衰老的衰老大脑的振荡是大脑振荡.功能连接性的功能连接性寿命长度 寿命长度磁脑脑摄影 (MEG) 是一种磁脑脑摄影技术.在这里,我们可以看到MEG MEG MEG.休息状态的静止状态.传感器运动器衰减

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Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms
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Cerebral Blood Flow-Based Resting State Functional Connectivity of the Human Brain using Optical Diffuse Correlation Spectroscopy
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科学领域:

  • 神经科学是一个神经科学.
  • 认知神经科学 认知神经科学
  • 人类大脑衰老 人类大脑衰老

背景情况:

  • 人类大脑功能依赖于功能网络内的同步的神经元活动.
  • 功能连接的障碍与大脑疾病有关,但健康的与年龄相关的变化尚未得到充分理解.
  • 休息状态功能连接 (rs-FC) 提供了对大脑网络组织的见解.

研究的目的:

  • 调查成年人一生中休息状态功能连接 (rs-FC) 的年龄相关变化.
  • 探索这些与年龄相关的rs-FC变化的行为相关性.
  • 了解 rs-FC 在健康衰老中如何演变.

主要方法:

  • 磁脑电图 (MEG) 记录了576名年龄在18-87岁之间的健康成年人.
  • 在不同频段 (delta,theta,alpha,beta,gamma) 的静止状态功能连接 (rs-FC) 的分析.
  • rs-FC模式与传感动力衰减的相关性.

主要成果:

  • 在皮质网络中观察到频率特定的rs-FC中与年龄相关的显著变化.
  • 随着年龄的增长,α波段的rs-FC降低,而delta,theta和gamma波段的rs-FC增加.
  • 贝塔频段rs-FC显示出非线性模式,在中年达到顶峰.
  • rs-FC模式的变化与振荡功率的变化是不同的.
  • 降低β频段rs-FC与增加的感觉运动衰减相关.

结论:

  • 休息状态的功能连接在整个健康的成年期表现出显著的,依赖频率的变化.
  • 这些与年龄相关的大脑网络的变化与行为相关,特别是对于感觉运动集成.
  • 该研究提供了健康大脑衰老及其对功能连接的影响的全面地图.