一目了然的语言:我们的大脑如何从并行视觉输入中理解语言结构.
Jacqueline Fallon1,2, Liina Pylkkänen1,3
1Department of Psychology, New York University, New York, NY 10003, USA.
Science advances
|October 23, 2024
概括
人类大脑在看到文本后130毫秒内就能检测到基本的句子结构,即使文法上是不正确的. 这种快速的语言处理从短语结构开始,而不是含义.
科学领域:
- 认知神经科学 认知神经科学
- 心理语言学 心理语言学
- 语言的神经科学语言的神经科学
背景情况:
- 人类视觉系统快速处理复杂的场景.
- 书面语言通常以快速,碎片化的形式出现 (例如通知).
- 了解快速语言处理的神经基础至关重要.
研究的目的:
- 研究大脑早期语言处理的时间动态.
- 确定大脑是否可以在视觉输入的几毫秒内检测语言结构.
- 探索早期结构检测与语义或语法意义之间的独立性.
主要方法:
- 使用磁脑电图 (MEG) 来测量神经活动.
- 给参与者提供了简短的书面句子.
- 在刺激后的前几百毫秒内分析大脑活动.
主要成果:
- 在130毫秒内,在左側皮質中識別了對句子敏感的神經活動.
- 在主体-动词-对象句子中观察到这些信号,无论语法正确性或含义如何.
- 对基本语法结构表现出早期的神经敏感性.
结论:
- 一眼看的语言理解始于检测基本的短语结构.
- 大脑中的早期语言处理优先考虑语法组织,而不是语义或语法完整性.
- 这些发现揭示了视觉丰富环境中的快速信息处理.
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