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My research sits at the intersection of psychology, neuroscience, and natural language processing — using language and behavioral data to understand mental health, substance use, and risk-taking. A complete list lives on my Google Scholar profile; selected work appears below.

Recent Publications

  1. 2025

    The Illusion of Empathy: How AI Chatbots Shape Conversation Perception

    Liu, T., Giorgi, S., Aich, A., et al. Proceedings of the AAAI Conference on Artificial Intelligence.

  2. 2024

    Modeling Human Subjectivity in LLMs Using Explicit and Implicit Human Factors in Personas

    Giorgi, S., Liu, T., Aich, A., et al. Findings of EMNLP 2024.

  3. 2024

    Differential Temporal Utility of Passively Sensed Smartphone Features for Depression and Anxiety Symptom Prediction

    Stamatis, C. A., Meyerhoff, J., Liu, T., et al. NPJ Mental Health Research.

  4. 2024

    Evaluating Generative AI Responses to Real-World Drug-Related Questions

    Giorgi, S., Isman, K., Liu, T., et al. Psychiatry Research.

  5. 2023

    Analyzing Text-Message Linguistic Features: Do People with Depression Communicate Differently with Their Close and Non-Close Contacts?

    Meyerhoff, J., Liu, T., Stamatis, C. A., et al. Behaviour Research and Therapy.

  6. 2023

    Measuring Disadvantage: A Systematic Comparison of United States Small-Area Disadvantage Indices

    Lou, S., Giorgi, S., Liu, T., Eichstaedt, J. C., & Curtis, B. Health & Place.

Earlier Highlights

  1. 2022

    Empathic Conversations: A Multi-Level Dataset of Contextualized Conversations

    Omitaomu, D., Tafreshi, S., Liu, T., et al. arXiv preprint.

  2. 2022

    Women's Substance Use and Mental Health During the COVID-19 Pandemic

    Devoto, A., Himelein-Wachowiak, M. K., Liu, T., & Curtis, B. Women's Health Issues.

  3. 2022

    Prospective Associations of Text-Message-Based Sentiment with Symptoms of Depression, Generalized Anxiety, and Social Anxiety

    Stamatis, C. A., Meyerhoff, J., Liu, T., et al. Depression and Anxiety.

  4. 2021

    COVID-Related Victimization, Racial Bias, and Employment and Housing Disruption

    Fisher, C. B., Tao, X., Liu, T., Giorgi, S., & Curtis, B. Frontiers in Public Health.

Full publication list on Google Scholar →