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...

DOI: 10.1002/hup.2889 (opens in new tab) Narrative Surprise Parallels Cognitive psychology

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

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

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...

DOI: 10.21203/rs.3.rs-1942143/v1 (opens in new tab) Full text (opens in new tab) Psychoactive substance Substance use Cognitive science