Placebo, Nocebo, and Machine Learning: How Generative AI Could Shape Patient Perception in Mental Health Care

AbstractThe emergence of generative artificial intelligence (GenAI) in clinical settings—particularly in health documentation and communication—presents a largely unexplored but potentially transformative force in shaping placebo and nocebo effects. These psychosocial phenomena are especi...

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Main Author: Charlotte Blease
Format: Article
Language:English
Published: JMIR Publications 2025-08-01
Series:JMIR Mental Health
Online Access:https://mental.jmir.org/2025/1/e78663
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author Charlotte Blease
author_facet Charlotte Blease
author_sort Charlotte Blease
collection DOAJ
description AbstractThe emergence of generative artificial intelligence (GenAI) in clinical settings—particularly in health documentation and communication—presents a largely unexplored but potentially transformative force in shaping placebo and nocebo effects. These psychosocial phenomena are especially potent in mental health care, where outcomes are closely tied to patients’ expectations, perceived provider competence, and empathy. Drawing on conceptual understanding of placebo and nocebo effects and the latest research, this Viewpoint argues that GenAI may amplify these effects, both positive and negative. Through tone, assurance, and even the rapidity of responses, GenAI-generated text—either co-written with clinicians or peers, or fully automated—could influence patient perceptions in ways that mental health clinicians may not currently fully anticipate. When embedded in clinician notes or patient-facing summaries, AI language may strengthen expectancies that underlie placebo effects, or conversely, heighten nocebo effects through subtle cues, inaccuracies, or potentially via loss of human nuance. This article explores the implications of AI-mediated clinical communication particularly in mental health care, emphasizing the importance of transparency, ethical oversight, and psychosocial awareness as these technologies evolve.
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spelling doaj-art-b8bf241207e249d8b0d6bab63afc2cf82025-08-22T20:11:22ZengJMIR PublicationsJMIR Mental Health2368-79592025-08-0112e78663e7866310.2196/78663Placebo, Nocebo, and Machine Learning: How Generative AI Could Shape Patient Perception in Mental Health CareCharlotte Bleasehttp://orcid.org/0000-0002-0205-1165 AbstractThe emergence of generative artificial intelligence (GenAI) in clinical settings—particularly in health documentation and communication—presents a largely unexplored but potentially transformative force in shaping placebo and nocebo effects. These psychosocial phenomena are especially potent in mental health care, where outcomes are closely tied to patients’ expectations, perceived provider competence, and empathy. Drawing on conceptual understanding of placebo and nocebo effects and the latest research, this Viewpoint argues that GenAI may amplify these effects, both positive and negative. Through tone, assurance, and even the rapidity of responses, GenAI-generated text—either co-written with clinicians or peers, or fully automated—could influence patient perceptions in ways that mental health clinicians may not currently fully anticipate. When embedded in clinician notes or patient-facing summaries, AI language may strengthen expectancies that underlie placebo effects, or conversely, heighten nocebo effects through subtle cues, inaccuracies, or potentially via loss of human nuance. This article explores the implications of AI-mediated clinical communication particularly in mental health care, emphasizing the importance of transparency, ethical oversight, and psychosocial awareness as these technologies evolve.https://mental.jmir.org/2025/1/e78663
spellingShingle Charlotte Blease
Placebo, Nocebo, and Machine Learning: How Generative AI Could Shape Patient Perception in Mental Health Care
JMIR Mental Health
title Placebo, Nocebo, and Machine Learning: How Generative AI Could Shape Patient Perception in Mental Health Care
title_full Placebo, Nocebo, and Machine Learning: How Generative AI Could Shape Patient Perception in Mental Health Care
title_fullStr Placebo, Nocebo, and Machine Learning: How Generative AI Could Shape Patient Perception in Mental Health Care
title_full_unstemmed Placebo, Nocebo, and Machine Learning: How Generative AI Could Shape Patient Perception in Mental Health Care
title_short Placebo, Nocebo, and Machine Learning: How Generative AI Could Shape Patient Perception in Mental Health Care
title_sort placebo nocebo and machine learning how generative ai could shape patient perception in mental health care
url https://mental.jmir.org/2025/1/e78663
work_keys_str_mv AT charlotteblease placebonoceboandmachinelearninghowgenerativeaicouldshapepatientperceptioninmentalhealthcare