#solidstatelife

Wayne Radinsky @waynerad@mastodon.social

· 6mo ago

LLMs can get "brain rot"! An experiment was done where LLMs were trained on "brain rot" data, and it degraded their reasoning abilities. Subsequent training on high-quality data didn't entirely reverse the brain rot. https://arxiv.org/abs/2510.13928 #solidstatelife #ai #genai #llms #brainrot

arXiv.org

LLMs Can Get "Brain Rot": A Pilot Study on Twitter/X

We propose and test the LLM Brain Rot Hypothesis: continual exposure to junk web text induces lasting cognitive decline in large language models (LLMs). To unveil junk effects, we designed a novel controlled experiment on real Twitter/X corpora, by constructing junk and reverse-controlled datasets via two orthogonal operationalizations: M1 (engagement degree) and M2 (semantic quality), with matched token scale and training operations across conditions. Compared to the control group, continual pr

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