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Peter M. Todd

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#artificial intelligence Preprint Sep 2026

Signatures of semantic search in the activations of large language models

When recalling lists of concepts (e.g., animals) during the semantic fluency task (SFT), both humans and large language models (LLMs) organise their output into clusters of related items (e.g., sea animals) that are punctuated by strategic switches between clusters. In humans, this pattern can be explained by a semanti...

Luke Leckie, Peter M. Todd, Jacob G. Foster · 0 citations
#artificial intelligence Preprint Jul 2026

AI Models Can Predict and Collaboratively Modulate Human Memory Search

This study explores and evaluates the ability of LLMs to follow and enhance human mental trajectories during semantic memory search and demonstrates that an LLM's abilities to track and predict human memory trajectories in this task exceed those of other humans.

Eric Lacosse, Mariana Duarte, Graham Todd et al. · 0 citations

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