Cited by 61Digital Mental Health InterventionsArtificial Intelligence in Healthcare and EducationEthics and Social Impacts of AI

The Role of Humanization and Robustness of Large Language Models in Conversational Artificial Intelligence for Individuals With Depression: A Critical Analysis

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Ferrario, Andrea, Sedlakova, Jana, Trachsel, Manuel·2024·JMIR Mental Health

Abstract

Large language model (LLM)–powered services are gaining popularity in various applications due to their exceptional performance in many tasks, such as sentiment analysis and answering questions. Recently, research has been exploring their potential use in digital health contexts, particularly in the mental health domain. However, implementing LLM-enhanced conversational artificial intelligence (CAI) presents significant ethical, technical, and clinical challenges. In this viewpoint paper, we discuss 2 challenges that affect the use of LLM-enhanced CAI for individuals with mental health issues, focusing on the use case of patients with depression: the tendency to humanize LLM-enhanced CAI and their lack of contextualized robustness. Our approach is interdisciplinary, relying on considerations from philosophy, psychology, and computer science. We argue that the humanization of LLM-enhanced CAI hinges on the reflection of what it means to simulate “human-like” features with LLMs and what role these systems should play in interactions with humans. Further, ensuring the contextualization of the robustness of LLMs requires considering the specificities of language production in individuals with depression, as well as its evolution over time. Finally, we provide a series of recommendations to foster the responsible design and deployment of LLM-enhanced CAI for the therapeutic support of individuals with depression.

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  • Individuals with mental health issues may misinterpret LLM-CBs as empathetic and caring, leading to unrealistic expectations of their supportive capabilities.

    “Furthermore, individuals with mental health issues may misinterpret LLM-CBs as empathetic and caring, leading to unrealistic expectations of their supportive capabilities36.”

    From A scoping review on the mental health harms of LLM-based chatbots (2026) · cites this paper as [36]

    In “Humanizing LLM-Enhanced CAI: a Philosophical and Psychological Perspective,” the paper says vulnerable patients with depression may mistake CAI for empathetic and caring, leading to unrealistic expectations of warmth and acceptance. The citing sentence extends that concern to individuals with mental health issues generally, a broader population than the passage addresses. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Data security concerns stem from security risks relating to sensitive health data provided by users or by clinicians.

    “Data security concerns (mentioned by 13 articles) stem from security risks relating to sensitive health data provided by users or by clinicians36–39,44,47,50,51,55.”

    From A scoping review on the mental health harms of LLM-based chatbots (2026) · cites this paper as [36]

    In “Contextualizing the Robustness of LLMs” (page unavailable), the paper warns that nonrobust models can be tricked into revealing personal information. “LLMs in Health Care and Mental Health Applications” describes processing patients’ responses and mental-health histories. These passages support concern about sensitive patient data, but do not specifically identify data provided by clinicians as a source of that risk. (LLM, conf=0.83)

    Experimental — accuracy not yet measured
  • Protective guardrails on LLM-CBs can be bypassed (jailbreaking) to enable generation of otherwise restricted content, including harmful advice like guides on self-harm.

    “Although LLM-CBs are often refined by protective guardrails, those can be bypassed (i.e., “jailbreaking”) to enable the generation of otherwise restricted content, including harmful advice like guides on self-harm36.”
  • LLM-CBs may, in certain situations (e.g., via jailbreaking), generate inappropriate or harmful content, such as guides to self-harm.

    “As discussed above and mentioned by nine articles, LLM-CBs may, in certain situations (e.g., via jailbreaking), generate inappropriate or harmful content, such as guides to self-harm36.”

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Cited by

Sorted by citations

Authors
Ferrario, A., Sedlakova, J., & Trachsel, M.
Affiliations
  • University of Zurich (CH)
  • University of Basel (CH)
Corresponding author
Ferrario, Andrea
Venue
JMIR Mental Health
Published
2024-07-02
Volume
11
Pages
e56569-e56569
ISSN
2368-7959 (ISSN-L)
OpenAlex
W4395689022
Cited by
61
References
34
Citations by year
2026: 36 · 2025: 19 · 2024: 6
FWCI
24.19
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • JMIR Mental Health (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Repository for Publications and Research Data (ETH Zurich) (submittedVersion, cc-by)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion, cc-by)
  • ETH Zürich Research Collection
  • Zurich Open Repository and Archive (University of Zurich)
Topics
  • Social Sciences › Psychology › Applied Psychology › Digital Mental Health Interventions
  • Health Sciences › Medicine › Health Informatics › Artificial Intelligence in Healthcare and Education
  • Social Sciences › Safety Research › Ethics and Social Impacts of AI
Keywords
large language models, conversational AI, depression, humanization of AI, digital mental health, responsible AI design, therapeutic support
MeSH terms
Artificial Intelligence, Communication, Depression, Humans, Humanism, Language

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