Department of Psychology, University of Edinburgh, Edinburgh, EH8 9JZ, UK.
Sci Rep. 2024 Mar 21;14(1):6796. doi: 10.1038/s41598-024-56897-3.
Decoding social environments and engaging meaningfully with other people are critical aspects of human cognition. Multiple cognitive systems, including social and semantic cognition, work alongside each other to support these processes. This study investigated shared processing between social and semantic systems using neuroimaging data collected during movie-viewing, which captures the multimodal environment in which social knowledge is exchanged. Semantic and social content from movie events (event-level) and movie transcripts (word-level) were used in parametric modulation analyses to test (1) the degree to which semantic and social information is processed within each respective network and (2) engagement of the same cross-network regions or the same domain-general hub located within the semantic network during semantic and social processing. Semantic word and event-level content engaged the same fronto-temporo-parietal network and a portion of the semantic hub in the anterior temporal lobe (ATL). Social word and event-level content engaged the supplementary motor area and right angular gyrus within the social network, but only social words engaged the domain-general semantic hub in left ATL. There was evidence of shared processing between the social and semantic systems in the dorsolateral portion of right ATL which was engaged by word and event-level semantic and social content. Overlap between the semantic and social word and event results was highly variable within and across participants, with the most consistent loci of overlap occurring in left inferior frontal, bilateral precentral and supramarginal gyri for social and semantic words and in bilateral superior temporal gyrus extending from ATL posteriorly into supramarginal gyri for social and semantic events. These results indicate a complex pattern of shared and distinct regions for social and semantic cognition during naturalistic processing. PROTOCOL REGISTRATION: The stage 1 protocol for this Registered Report was accepted in principle on October 11, 2022. The protocol, as accepted by the journal, can be found at: https://doi.org/10.17605/OSF.IO/ACWQY .
解码社交环境并与他人进行有意义的互动是人类认知的关键方面。多个认知系统，包括社会认知和语义认知，协同工作以支持这些过程。本研究使用电影观看期间收集的神经影像学数据来研究社会和语义系统之间的共享处理，这些数据捕捉了社会知识交流的多模态环境。使用参数调制分析来研究电影事件的语义和社会内容（事件水平）和电影字幕（单词水平），以测试（1）语义和社会信息在各自网络中的处理程度，以及（2）在语义和社会处理过程中，跨网络区域或位于语义网络内的相同领域一般枢纽的相同的参与程度。语义单词和事件水平的内容激活了相同的额颞顶叶网络和颞叶前区（ATL）的一部分语义枢纽。社会单词和事件水平的内容激活了社会网络中的辅助运动区和右角回，但只有社会单词激活了左 ATL 中的领域一般语义枢纽。在右 ATL 的背外侧部分有证据表明社会和语义系统之间存在共享处理，该区域被单词和事件水平的语义和社会内容激活。在参与者内部和之间，语义和社会单词和事件结果之间的重叠变化很大，最一致的重叠部位位于左侧额下回、双侧中央前回和缘上回，用于社会和语义单词，以及双侧颞上回，从 ATL 向后延伸到缘上回，用于社会和语义事件。这些结果表明，在自然处理过程中，社会和语义认知存在复杂的共享和独特区域模式。方案注册：本注册报告的第 1 阶段方案于 2022 年 10 月 11 日原则上被接受。该方案可在以下网址找到：https://doi.org/10.17605/OSF.IO/ACWQY。
