河马子场体积有助于控制衰老中的工作记忆干扰:来自5年长的纵向关联的证据
P Andersson1, G Samrani2,3,4, M Andersson3,4
1Center for Life-span Developmental Research (LEADER), School of Behavioral, Social and Legal Sciences, Örebro University, Sweden.
Neuroimage. Reports
|June 26, 2025
概括
老年人表现出工作记忆 (WM) 中的主动干扰 (PI) 控制受损. 降低海马体体积与这种衰退有关,突出显示了它在整个生命周期内对记忆功能的作用.
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
- 衰老研究研究 衰老研究
背景情况:
- 熟悉但无关紧要的信息可能会破坏记忆编码和检索.
- 工作记忆 (WM) 解决主动干扰 (PI) 的能力随着年龄的增长而下降.
- 与年龄相关的WMPI下降的神经解剖学基础尚不清楚.
研究的目的:
- 研究海马 (HC) 亚场体积与WM中的PI控制之间的关联.
- 检查这些关联在成年人一生中如何变化.
- 确定HC参与与年龄相关的PI下降.
主要方法:
- 在5年内对157名成年参与者的长度研究.
- 分析灰色物质 (GM) 亚场体积的平均水平和5年轨迹.
- 在WM性能中,HC子领域体积和PI之间的相关性分析.
主要成果:
- 降低的阴部体积与WM中的PI控制受损有关.
- 这种关联在老年人中更为强烈.
- 在老年人中,与年龄相关的PI下降是由海马GM体积介导的.
结论:
- 海马体积与WM中控制PI的能力有关.
- 年龄调节了HC体积和PI控制之间的关系.
- 阴部在维持PI控制方面发挥着至关重要的作用,特别是在老年人中.
相关概念视频
Role of Hippocampus in Memory
567
The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
567
Working Memory
449
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
449
Cognitive Development During Adulthood
303
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,...
303


