This work was done during one weekend by research workshop participants and does not represent the work of Apart Research.
ApartSprints
Mechanistic Interpretability Hackathon
Accepted at the 
Mechanistic Interpretability Hackathon
 research sprint on 
January 25, 2023

Automated Identification of Potential Feature Neurons

This report investigates the automated identification of neurons which potentially correspond to a feature in a language model, using an initial dataset of maximum activation texts and word embeddings. This method could speed up the rate of interpretability research by flagging high potential feature neurons, and building on existing infrastructure such as Neuroscope. We show that this method is feasible for quantifying the level of semantic relatedness between maximum activating tokens on an existing dataset, performing basic interpretability analysis by comparing activations on synonyms, and generating prompt guidance for further avenues of human investigation. We also show that this method is generalisable across multiple language models and suggest areas of further exploration based on results.

By 
Michelle Wai Man Lo
🏆 
4th place
3rd place
2nd place
1st place
 by peer review
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This project is private