In plain words: They find patterns in a chatbot's internal activity that match personality traits, then push those patterns to shift personality without retraining. This offers a way to tune personality on the fly, instead of retraining the model on new examples.
Abstract · Identifying and Manipulating Personality Traits in LLMs Through Activation Engineering
The field of large language models (LLMs) has grown rapidly in recent years, driven by the desire for better efficiency, interpretability, and safe use. Building on the novel approach of "activation engineering," this study explores personality modification in LLMs, drawing inspiration from research like Refusal in LLMs Is Mediated by a Single Direction (arXiv:2406.11717) and Steering Llama 2 via Contrastive Activation Addition (arXiv:2312.06681). We leverage activation engineering to develop a method for identifying and adjusting activation directions related to personality traits, which may allow for dynamic LLM personality fine-tuning. This work aims to further our understanding of LLM interpretability while examining the ethical implications of such developments.
Rumi Allbert, James K. Wiles, Vlad Grankovsky
arXiv:2412.10427 · cs.CL, cs.AI · submitted Dec 10, 2024 · updated Jan 10, 2025
abstract · pdf · html
I find all this flabbergasting. Since the 1970s, the behaviorist school of psychology has all but squashed any mention of subjective internal states in psychological literature in favor of objective and measurable outcomes. They never allowed "euphemisms" for subjective states either, you had to use STRONGLY objective language as if you were discussing chemistry or molecular biology. Only recently with the advent of advanced neuroscientific imaging techniques has an inkling of discussion around subjective internal states in HUMANS been admitted.
Even more conservative are ethologists, who are the FIRST to tell you "Do Not Anthropomorphize Non-Human Animals!"
And here go we, the so called Computer "Scientists", cavalierly ascribing to our GPUs and VRAM such things as hallucinations, confabulations, morality, alignment, general intelligence, deception, refusal, scheming, and now... personality traits.
It is a wonder that the general public much less other scientific fields are able to take us seriously.
But I guess as long as they keep buying tickets to the circus, right?
Oh, and Happy New Year everyone!