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        <title>Measuring Meaning Composition in the Human Brain with Composition Scores from Large Language Models</title>
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        <namePart type="given">Changjiang</namePart>
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    <abstract>The process of meaning composition, wherein smaller units like morphemes or words combine to form the meaning of phrases and sentences, is essential for human sentence comprehension. Despite extensive neurolinguistic research into the brain regions involved in meaning composition, a computational metric to quantify the extent of composition is still lacking. Drawing on the key-value memory interpretation of transformer feed-forward network blocks, we introduce the Composition Score, a novel model-based metric designed to quantify the degree of meaning composition during sentence comprehension. Experimental findings show that this metric correlates with brain clusters associated with word frequency, structural processing, and general sensitivity to words, suggesting the multifaceted nature of meaning composition during human sentence comprehension.</abstract>
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%0 Conference Proceedings
%T Measuring Meaning Composition in the Human Brain with Composition Scores from Large Language Models
%A Gao, Changjiang
%A Li, Jixing
%A Chen, Jiajun
%A Huang, Shujian
%Y Ku, Lun-Wei
%Y Martins, Andre
%Y Srikumar, Vivek
%S Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
%D 2024
%8 August
%I Association for Computational Linguistics
%C Bangkok, Thailand
%F gao-etal-2024-measuring
%X The process of meaning composition, wherein smaller units like morphemes or words combine to form the meaning of phrases and sentences, is essential for human sentence comprehension. Despite extensive neurolinguistic research into the brain regions involved in meaning composition, a computational metric to quantify the extent of composition is still lacking. Drawing on the key-value memory interpretation of transformer feed-forward network blocks, we introduce the Composition Score, a novel model-based metric designed to quantify the degree of meaning composition during sentence comprehension. Experimental findings show that this metric correlates with brain clusters associated with word frequency, structural processing, and general sensitivity to words, suggesting the multifaceted nature of meaning composition during human sentence comprehension.
%U https://aclanthology.org/2024.acl-long.609
%P 11295-11308

Markdown (Informal)

[Measuring Meaning Composition in the Human Brain with Composition Scores from Large Language Models](https://aclanthology.org/2024.acl-long.609) (Gao et al., ACL 2024)

• Measuring Meaning Composition in the Human Brain with Composition Scores from Large Language Models (Gao et al., ACL 2024)

ACL

• Changjiang Gao, Jixing Li, Jiajun Chen, and Shujian Huang. 2024. Measuring Meaning Composition in the Human Brain with Composition Scores from Large Language Models. In Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), pages 11295–11308, Bangkok, Thailand. Association for Computational Linguistics.