在大规模的大脑功能网络中,高分离和减少的全球整合增强了跨模式刺激的感知结合
Soibam Shyamchand Singh1,2, Abhishek Mukherjee1, Partha Raghunathan1
1Cognitive Brain Dynamics Lab, National Brain Research Centre, NH8, Manesar, Gurgaon 122052, Haryana, India.
Cerebral cortex (New York, N.Y. : 1991)
|August 7, 2024
概括
大脑网络在语音感知过程中平衡分离和整合. 增加虚幻语音感知,从麦格格尔克效应,导致更高的隔离和较低的整合在感知绑定网络.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 听觉感知是一种听觉感知.
背景情况:
- 语音感知整合了听觉和视觉线索.
- 大脑网络使用功能分离和集成来处理信息.
- 分离和整合之间的平衡对于多感官语音感知至关重要.
研究的目的:
- 调查大脑网络分离-整合状态在真实和虚幻的多感官语音感知中如何不同.
- 描述语言处理中主观感知体验背后的神经机制.
- 探索感知绑定网络 (PBN) 在多感官语音感知中的作用.
主要方法:
- 功能磁共振成像 (fMRI) 用于记录大脑活动.
- 麦格格尔克范式被用来诱导虚幻的语音感知,通过操纵听觉视觉时间滞后.
- 计算方法,包括标准化统计方法和图形理论,用于分析大脑网络的分离和整合.
主要成果:
- 语音刺激的主观感知体验与分离-整合的差异状态相关.
- 由时间滞后调节的虚幻感知增加与感知绑定网络 (PBN) 内的合作减少有关.
- 在PBN中观察到高度隔离和减少的全球融合,与日益增长的虚幻感知,由图形理论测量证实.
结论:
- 大脑网络中的分离和整合之间的平衡动态地代表了主观的语音感知.
- 感知绑定网络 (PBN) 在绑定多感官语音信息方面发挥着关键作用.
- 隔离-整合的改变网络状态是真实和虚幻语音刺激的基础.
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