降低半球间连接性预测了听觉象征材料的连贯检索
Leonardo Bonetti1, Anna Kildall Vænggård2, Claudia Iorio3
1Center for Music in the Brain, Department of Clinical Medicine, Aarhus University & The Royal Academy of Music, Aarhus/Aalborg, Denmark; Centre for Eudaimonia and Human Flourishing, Linacre College, University of Oxford, Oxford, United Kingdom; Department of Psychiatry, University of Oxford, Oxford, United Kingdom.
大脑的连接性影响了人们之间的信息传输的准确性. 较低的半球间连接与更连贯的听觉符号信息传输相关,这表明大脑侧面化影响文化稳定.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 人类学是人类学.
背景情况:
- 了解信息传输是人类沟通和文化进化的关键.
- 一致的传承保留了传统,而创新创造了新的文化形式.
- 关于与连贯信息传输相关的大脑特征的研究有限.
研究的目的:
- 研究大脑连接和听觉符号信息传输的连贯性之间的关系.
- 在文化传播模型中识别特定的结构和功能大脑连接模式,与信息保真相关.
主要方法:
- 利用结构和功能连接的磁共振成像 (MRI) 技术.
- 采用基于实验室的信号游戏模型来模拟MRI扫描仪外的文化传播.
- 分析了大脑连接指标和听觉符号信息传输中的连贯性之间的相关性.
主要成果:
- 传输连贯性较高的个体表现出较低的结构和功能半球间连接性.
- 额头,皮下,岛屿和时区域之间的更强的双边结构联系与一致性有负相关性.
- 较低的前额区域中增加的半球间功能连接与较低的传输连贯性有关.
结论:
- 在语义映射过程中,大脑的横向化可能与听觉符号系统的长期稳定性有关.
- 半球间连接模式是连贯文化传播的关键神经相关物.
- 这些发现提供了对文化特征保存和创新的神经基础的见解.
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