Skip to content

Sam Friedman

2 papers in the library · 6 citations · publishing 2022-2023

Papers

Sort Most recent Most cited

Trajectories of sentiment in 11,816 psychoactive narratives

Human Psychopharmacology Clinical and Experimental December 20, 2023 Sam Friedman, Galen Ballentine 5 citations

Abstract Objective Can machine learning (ML) enable data‐driven discovery of how changes in sentiment correlate with different psychoactive experiences? We investigate by training models directly on text testimonials from a diverse 52‐drug pharmacopeia. Methods Using large language models (i.e. BERT) and 11,816 publicly‐available testimonials, we predicted 28‐dimensions of sentiment across each...

Language Models Learn Sentiment and Substance from 11,000 Psychoactive Experiences

Research Square August 17, 2022 Sam Friedman, Galen Ballentine 1 citation

Abstract With novel hallucinogens poised to enter psychiatry, we lack a unified framework for quantifying which changes in consciousness are optimal for treatment. Using transformers (i.e. BERT) and 11,816 publicly-available drug testimonials, we first predicted 28-dimensions of sentiment across each narrative, validated with psychiatrist annotations. Secondly, BERT was trained to predict...