Multilingual Brain Decoding Reveals Shared Cortical Semantic Geometry
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Yi Guo, Yong Hu, Michael Kwok-Po Ng, Shuqiang Wang · arXiv: 2610.26927v1 · Summary page
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Different languages, related maps of meaning
A multilingual brain-decoding study analyzed recordings from 227 participants spanning Chinese, English and French. The researchers report that relationships among cortical representations of meaning were consistent across both languages and individuals. In other words, although words and sentence structures differ, the relative arrangement of meanings in the measured brain representations showed common patterns.
That consistency increased from regions associated with sensation and movement toward higher-order association cortex, following a major gradient of brain organization. The preprint suggests a shared neural structure underlying some semantic commonalities across languages. It does not imply that languages produce identical brain activity, or that a decoder can read arbitrary thoughts.
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