Data Party THU

Oct 28, 2025 · Artificial Intelligence

Can Low‑Quality Data Cause Irreversible ‘Brain Rot’ in Large Language Models?

Researchers from Texas A&M and UT Austin demonstrate that prolonged pre‑training on low‑quality, short‑form web content causes large language models to suffer irreversible cognitive decline—manifested as attention loss, broken reasoning chains, and personality distortion—highlighting data quality as a critical training‑time safety issue.