Researchers gave LLMs "brain damage" and found they mimic human aphasia symptoms

coryshain · x · 2026-09-26

A NeurIPS-accepted study by nrolling, Jill Kries, Laura Gwilliams, and Cory Shain induced "brain damage"-style lesions in LLMs to study how they process language.

Key finding: damaged models produce symptoms resembling human aphasia, but with distinct distributions — offering a new lens on how model language processing parallels and diverges from human cognition.

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