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相关概念视频

Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
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Lateralization01:28

Lateralization

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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Language and Cognition01:27

Language and Cognition

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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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相关实验视频

Updated: Jan 13, 2026

Dynamic Inter-subject Functional Connectivity Reveals Moment-to-Moment Brain Network Configurations Driven by Continuous or Communication Paradigms
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基于语言网络功能连接模式的性别分类:休息状态fMRI研究

X Lajoie1,2, C DeRoy2,3, C Bedetti1,2

  • 1Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal, Montréal, Québec, Canada.

Human brain mapping
|January 10, 2026
PubMed
概括

性差异存在于大脑的语言网络功能连接中. 机器学习精确地根据休息状态模式识别了性别,揭示了男性和女性的独特连接性.

关键词:
语言网络语言网络机器学习是机器学习.静止状态的功能连接性性别分类性别分类

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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
  • 性差异研究 研究 研究 研究

背景情况:

  • 了解大脑发育和衰老中的性别差异对于神经和精神疾病至关重要.
  • 很少有研究探讨了功能性大脑网络,特别是语言网络的基于性别的变化.
  • 以前的研究经常使用基于任务的fMRI,可能缺少微妙的静止状态功能差异.

研究的目的:

  • 调查语言网络的静止状态功能连接中的与性别相关的差异.
  • 应用机器学习来根据语言网络功能连接模式对性别进行分类.
  • 确定在语言网络中区分性别的特定功能连接特征.

主要方法:

  • 利用机器学习分类器来分析静态功能连接数据.
  • 包括270名男性和288名女性 (22-36岁) 作为参与者.
  • 在语言网络的功能连接中确定了关键的区分特征.

主要成果:

  • 在基于语言网络连接的基础上对参与者的性别进行分类,获得了91.3%的准确性.
  • 关键的区分特征涉及左下额头,左侧平面和左前中间.
  • 与女性相比,男性在这些区域表现出更强的功能连接,尽管有些重叠.

结论:

  • 与性别相关的差异存在于语言网络的静止状态功能连接中.
  • 这些发现强调了在大脑和语言研究中将性别视为生物变量的重要性.
  • 独特的连接模式突出了语言处理的潜在的性别特异的神经支.