发展中的上叶的功能解离:语言和思想理论
Kelly J Hiersche1,2, Laura Bradley1,2, David E Osher1,2
1Department of Psychology, The Ohio State University.
bioRxiv : the preprint server for biology
|August 8, 2025
概括
语言和思维理论 (ToM) 处理在儿童中显示出不同的神经模式,与成年人相似. 这些能力来自于早期发展的独立大脑起源,挑战了常见社会处理基质的理论.
科学领域:
- 发育神经科学的发展神经科学.
- 认知神经科学 认知神经科学
- 人类沟通 人类沟通
背景情况:
- 语言和思维理论 (ToM) 是人类沟通的基础.
- 语言和ToM的发育起源和神经基质仍然不清楚.
- 调查这些功能在发育过程中是否共享神经基质,或者有不同的起源.
研究的目的:
- 研究在上叶 (STL) 中语言和ToM之间的功能解离的发育轨迹.
- 检查连接指纹基础语言和ToM的分离.
- 为了确定语言和ToM的神经基质在发育过程中是否从共同或不同的起源中出现.
主要方法:
- 功能神经成像数据从儿童 (4-9岁,n=58次) 和成年人 (n=29) 的队列中收集.
- 在STL中对语言和ToM的神经特异性模式的分析.
- 对连接指纹的检查预测了语言和ToM的未来和并发大脑激活.
主要成果:
- 儿童在STL中表现出独特的语言和ToM的神经特异性模式,反映了成人组织.
- 没有发现语言和ToM神经基质发育"解"的证据,无论是横截面还是纵向.
- 预测未来语言或ToM激活的连接指纹与并发指纹几乎相同,并且在很大程度上不会在域之间重叠.
结论:
- 在人类发育早期的STL中,语言和ToM处理是明确组织的.
- 这些发现挑战了那些认为语言从常见的神经处理器发展到基本社会沟通的理论.
- 结果支持了语言和ToM的神经起源的不同假设,即使它们经历了持续的专业化.
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