人类大脑皮层中感觉偏差和超模态工作记忆网络之间的相互作用
Thomas Possidente1, Vaibhav Tripathi1,2, Joseph T McGuire1
1Department of Psychological and Brain Sciences, Boston University, Boston, MA, USA.
Communications biology
|February 9, 2026
概括
人类工作记忆依赖于互动的大脑网络. 听觉任务动态重组这些网络,与视觉任务不同,显示一个不对称的工作记忆系统.
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
- 脑部成像 脑部成像
背景情况:
- 人类工作记忆涉及分布式的大脑网络.
- 一个超模网络与特定内容的视觉和听觉网络相互作用.
研究的目的:
- 调查超模和内容特异性工作记忆网络之间的相互作用.
- 在视觉与听觉工作记忆任务期间对比网络动态.
主要方法:
- 使用任务和静止状态fMRI进行功能连接分析.
- 检查了24名参与者执行视觉和听觉工作记忆任务.
主要成果:
- 在静止状态下,视觉网络的超模态网络连接性比听觉网络更强.
- 审计任务动态增加了听觉网络连接,而视觉任务显示的变化最小.
- 听觉工作记忆精度与听觉网络连接变化相关.
结论:
- 工作记忆网络组织在传感模式上是不对称的.
- 动态网络重组支持工作记忆任务的执行,特别是用于听觉信息.
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