no code implementations • NAACL (ACL) 2022 • Xiruo Ding, Kevin Lybarger, Justin Tauscher, Trevor Cohen
Performance improvements with an augmented model, MentalBERT, exceed those obtained with data augmentation.
no code implementations • NAACL (CLPsych) 2022 • Hannah Burkhardt, Michael Pullmann, Thomas Hull, Patricia Aren, Trevor Cohen
The increasing adoption of message-based behavioral therapy enables new approaches to assessing mental health using linguistic analysis of patient-generated text.
no code implementations • NAACL (CLPsych) 2022 • Kevin Lybarger, Justin Tauscher, Xiruo Ding, Dror Ben-Zeev, Trevor Cohen
In this work, we automatically identify distorted thinking in text-based patient-therapist exchanges, investigating the role of conversation history (context) in distortion prediction.
no code implementations • 10 Jan 2024 • Changye Li, Weizhe Xu, Trevor Cohen, Serguei Pakhomov
\textbf{Results}: Imperfect ASR-generated transcripts surprisingly outperformed manual transcription for distinguishing between individuals with AD and those without in the ``Cookie Theft'' task.
Automatic Speech Recognition Automatic Speech Recognition (ASR) +2
no code implementations • 8 Jan 2024 • William R. Kearns, Jessica Bertram, Myra Divina, Lauren Kemp, Yinzhou Wang, Alex Marin, Trevor Cohen, Weichao Yuwen
We studied providers with and without expertise in mental health treatment delivering a therapy session using the platform with (intervention) and without (control) AI-assistance features.
no code implementations • 9 Dec 2023 • Xiruo Ding, Zhecheng Sheng, Brian Hur, Feng Chen, Serguei V. S. Pakhomov, Trevor Cohen
We focus on confounding by provenance, a form of distribution shift that emerges in the context of multi-institutional datasets when there are differences in source-specific language use and class distributions.
no code implementations • 16 Nov 2023 • Yue Guo, Joseph Chee Chang, Maria Antoniak, Erin Bransom, Trevor Cohen, Lucy Lu Wang, Tal August
We collect a dataset of over 10K term familiarity annotations from 11 computer science researchers for terms drawn from 100 paper abstracts.
no code implementations • 5 Oct 2023 • Xinyang Ren, Hannah A Burkhardt, Patricia A Areán, Thomas D Hull, Trevor Cohen
These findings were generated by counting frequencies of first-person singular pronouns in text data.
no code implementations • 3 Oct 2023 • Xiruo Ding, Zhecheng Sheng, Meliha Yetişgen, Serguei Pakhomov, Trevor Cohen
Machine learning and deep learning approaches have been used to improve the performance of clinical NLP.
1 code implementation • 23 May 2023 • Yue Guo, Tal August, Gondy Leroy, Trevor Cohen, Lucy Lu Wang
In response, we introduce POMME, a new metric designed to assess text simplification in PLS; the metric is calculated as the normalized perplexity difference between an in-domain and out-of-domain language model.
1 code implementation • 14 Feb 2023 • Changye Li, Weizhe Xu, Trevor Cohen, Martin Michalowski, Serguei Pakhomov
The evidence is growing that machine and deep learning methods can learn the subtle differences between the language produced by people with various forms of cognitive impairment such as dementia and cognitively healthy individuals.
1 code implementation • 11 Nov 2022 • Changye Li, Trevor Cohen, Serguei Pakhomov
Linguistic anomalies detectable in spontaneous speech have shown promise for various clinical applications including screening for dementia and other forms of cognitive impairment.
Automatic Speech Recognition Automatic Speech Recognition (ASR) +3
1 code implementation • 7 Nov 2022 • Yue Guo, Wei Qiu, Gondy Leroy, Sheng Wang, Trevor Cohen
Recent lay language generation systems have used Transformer models trained on a parallel corpus to increase health information accessibility.
2 code implementations • ACL 2022 • Changye Li, David Knopman, Weizhe Xu, Trevor Cohen, Serguei Pakhomov
Deep learning (DL) techniques involving fine-tuning large numbers of model parameters have delivered impressive performance on the task of discriminating between language produced by cognitively healthy individuals, and those with Alzheimer's disease (AD).
no code implementations • ACL (SemSpace, IWCS) 2021 • Dominic Widdows, Kristen Howell, Trevor Cohen
The second considers whether semantic vector composition should be explicitly described mathematically, or whether it can be a model-internal side-effect of training a neural network.
no code implementations • 12 Jan 2021 • Dominic Widdows, Kirsty Kitto, Trevor Cohen
In the decade since 2010, successes in artificial intelligence have been at the forefront of computer science and technology, and vector space models have solidified a position at the forefront of artificial intelligence.
1 code implementation • 23 Dec 2020 • Yue Guo, Wei Qiu, Yizhong Wang, Trevor Cohen
Health literacy has emerged as a crucial factor in making appropriate health decisions and ensuring treatment outcomes.
no code implementations • 7 Aug 2020 • Xiruo Ding, Trevor Cohen
Adverse drug events (ADE) are prevalent and costly.
no code implementations • WS 2020 • Am Paullada, alynne, Bethany Percha, Trevor Cohen
Inferring the nature of the relationships between biomedical entities from text is an important problem due to the difficulty of maintaining human-curated knowledge bases in rapidly evolving fields.
1 code implementation • ACL 2020 • Trevor Cohen, Serguei Pakhomov
In recent years there has been a burgeoning interest in the use of computational methods to distinguish between elicited speech samples produced by patients with dementia, and those from healthy controls.
no code implementations • CONLL 2018 • Trevor Cohen, Dominic Widdows
Word order is clearly a vital part of human language, but it has been used comparatively lightly in distributional vector models.
no code implementations • 21 Sep 2017 • Zhiguo Yu, Byron C. Wallace, Todd Johnson, Trevor Cohen
In this paper, we present a method that retrofits distributional context vector representations of biomedical concepts using structural information from the UMLS Metathesaurus, such that the similarity between vector representations of linked concepts is augmented.