Activation Atlases: global maps of sampled neural activations

What is recorded here?

Projects sampled feature activations into a two-dimensional layout, averages them in cells and visualizes those averages to explore recurring representation patterns.

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Scientific scope

Depends on activation sampling, dimensionality reduction, grid aggregation and inversion. The map is not an exhaustive atlas of possible states or a causal circuit proof; UMAP and feature inversion are inherited.

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Activation Atlas

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People and systems

Shan Carter; Zan Armstrong; Ludwig Schubert; Ian Johnson; Chris Olah

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English catalogue narrative