Large foundation models (LFMs) transform healthcare AI in prevention, diagnostics, and treatment. However, whether LFMs can provide truly personalized treatment recommendations remains an open question. Recent research has revealed multiple challenges for personalization, including the fundamental generalizability paradox: models achieving high accuracy in one clinical study perform at chance level in others, demonstrating that personalization and external validity exist in tension. This exemplifies broader contradictions in AI-driven healthcare: the privacy-performance paradox, scale-specificity paradox, and the automation-empathy paradox. As another challenge, the degree of causal understanding required for personalized recommendations, as opposed to mere predictive capacities of LFMs, remains an open question. N-of-1 trials -- crossover self-experiments and the gold standard for individual causal inference in personalized medicine -- resolve these tensions by providing within-person causal evidence while preserving privacy through local experimentation. Despite their impressive capabilities, this paper argues that LFMs cannot replace N-of-1 trials. We argue that LFMs and N-of-1 trials are complementary: LFMs excel at rapid hypothesis generation from population patterns using multimodal data, while N-of-1 trials excel at causal validation for a given individual. We propose a hybrid framework that combines the strengths of both to enable personalization and navigate the identified paradoxes: LFMs generate ranked intervention candidates with uncertainty estimates, which trigger subsequent N-of-1 trials. Clarifying the boundary between prediction and causation and explicitly addressing the paradoxical tensions are essential for responsible AI integration in personalized medicine.
Evaluating air quality interventions is confronted with the challenge of interference since interventions at a particular pollution source likely impact air quality and health at distant locations and air quality and health at any given location are likely impacted by interventions at many sources. The structure of interference in this context is dictated by complex atmospheric processes governing how pollution emitted from a particular source is transformed and transported across space, and can be cast with a bipartite structure reflecting the two distinct types of units: 1) interventional un…
Coronavirus disease 2019 (COVID-19) pandemic is an unprecedented global public health challenge. In the United States (US), state governments have implemented various non-pharmaceutical interventions (NPIs), such as physical distance closure (lockdown), stay-at-home order, mandatory facial mask in public in response to the rapid spread of COVID-19. To evaluate the effectiveness of these NPIs, we propose a nested case-control design with propensity score weighting under the quasi-experiment framework to estimate the average intervention effect on disease transmission across states. We further d…
Statistical Design of Pragmatic Trials Using Electronic Health Record Data when Outcome Assessments are Uncontrolled and Irregular
Kaiser Permanente Washington Health Research Institute(凯撒永久华盛顿健康研究所);Kaiser Permanente Center for Health Research Northwest Region(凯撒永久西北区健康研究中心);Department of Biostatistics, School of Public Health, University of Washington(华盛顿大学公共卫生学院生物统计系)
In mobile health interventions aimed at behavior change and maintenance, treatments are provided in real time to manage current or impending high risk situations or promote healthy behaviors in near real time. Currently there is great scientific interest in developing data analysis approaches to guide the development of mobile interventions. In particular data from mobile health studies might be used to examine effect moderators-i.e., individual characteristics, time-varying context or past treatment response that moderate the effect of current treatment on a subsequent response. This paper in…
Personalization is very powerful in improving the effectiveness of health interventions. Reinforcement learning (RL) algorithms are suitable for learning these tailored interventions from sequential data collected about individuals. However, learning can be very fragile. The time to learn intervention policies is limited as disengagement from the user can occur quickly. Also, in e-Health intervention timing can be crucial before the optimal window passes. We present an approach that learns tailored personalization policies for groups of users by combining RL and clustering. The benefits are tw…
We introduce profile matching, a multivariate matching method for randomized experiments and observational studies that finds the largest possible unweighted samples across multiple treatment groups that are balanced relative to a covariate profile. This covariate profile can represent a specific population or a target individual, facilitating the generalization and personalization of causal inferences. For generalization, because the profile often amounts to summary statistics for a target population, profile matching does not always require accessing individual-level data, which may be unava…
While reinforcement learning (RL) has proven to be the approach of choice for tackling many complex problems, it remains challenging to develop and deploy RL agents in real-life scenarios successfully. This paper presents pH-RL (personalization in e-Health with RL) a general RL architecture for personalization to bring RL to health practice. pH-RL allows for various levels of personalization in health applications and allows for online and batch learning. Furthermore, we provide a general-purpose implementation framework that can be integrated with various healthcare applications. We describe …
This report summarises the outcomes of a systematic literature search to identify Bayesian network models used to support decision making in healthcare. After describing the search methodology, the selected research papers are briefly reviewed, with the view to identify publicly available models and datasets that are well suited to analysis using the causal interventional analysis software tool developed in Wang B, Lyle C, Kwiatkowska M (2021). Finally, an experimental evaluation of applying the software on a selection of models is carried out and preliminary results are reported.
AIMI: Leveraging Future Knowledge and Personalization in Sparse Event Forecasting for Treatment Adherence
School of Computing and Augmented Intelligence, Arizona State University(亚利桑那州立大学计算与增强智能学院);College of Health Solutions, Arizona State University(亚利桑那州立大学健康解决方案学院);School of Electrical Engineering and Computer Science, Washington State University(华盛顿州立大学电气工程与计算机科学学院)
Mobile health (mHealth) technologies empower patients to adopt/maintain healthy behaviors in their daily lives, by providing interventions (e.g. push notifications) tailored to the user's needs. In these settings, without intervention, human decision making may be impaired (e.g. valuing near term pleasure over own long term goals). In this work, we formalize this relationship with a framework in which the user optimizes a (potentially impaired) Markov Decision Process (MDP) and the mHealth agent intervenes on the user's MDP parameters. We show that different types of impairments imply differen…
Policy Optimization for Personalized Interventions in Behavioral Health
Stern School of Business, New York University(纽约大学斯特恩商学院);Telfer School of Management, University of Ottawa(渥太华大学泰尔弗管理学院);Sloan School of Management, Massachusetts Institute of Technology(麻省理工学院斯隆管理学院)
Harvard University(哈佛大学);University of Virginia(弗吉尼亚大学)
We propose and study Collpasing Bandits, a new restless multi-armed bandit (RMAB) setting in which each arm follows a binary-state Markovian process with a special structure: when an arm is played, the state is fully observed, thus "collapsing" any uncertainty, but when an arm is passive, no observation is made, thus allowing uncertainty to evolve. The goal is to keep as many arms in the "good" state as possible by planning a limited budget of actions per round. Such Collapsing Bandits are natural models for many healthcare domains in which workers must simultaneously monitor patients and deli…
Drexel University(德雷塞尔大学);Rowan University(罗文大学);IT University of Copenhagen(哥本哈根信息技术大学);Google(谷歌)
Social comparison-based features are widely used in social computing apps. However, most existing apps are not grounded in social comparison theories and do not consider individual differences in social comparison preferences and reactions. This paper is among the first to automatically personalize social comparison targets. In the context of an m-health app for physical activity, we use artificial intelligence (AI) techniques of multi-armed bandits. Results from our user study (n=53) indicate that there is some evidence that motivation can be increased using the AI-based personalization of so…
In many public health settings, it is important for patients to adhere to health programs, such as taking medications and periodic health checks. Unfortunately, beneficiaries may gradually disengage from such programs, which is detrimental to their health. A concrete example of gradual disengagement has been observed by an organization that carries out a free automated call-based program for spreading preventive care information among pregnant women. Many women stop picking up calls after being enrolled for a few months. To avoid such disengagements, it is important to provide timely intervent…
University of Trento(特伦托大学);University of Konstanz(康斯坦茨大学)
Machine learning (ML) is the fastest growing field in computer science and healthcare, providing future benefits in improved medical diagnoses, disease analyses and prevention. In this paper, we introduce an application of interactive machine learning (iML) in a telemedicine system, to enable automatic and personalised interventions for lifestyle promotion. We first present the high level architecture of the system and the components forming the overall architecture. We then illustrate the interactive machine learning process design. Prediction models are expected to be trained through the par…
Health monitoring applications increasingly rely on machine learning techniques to learn end-user physiological and behavioral patterns in everyday settings. Considering the significant role of wearable devices in monitoring human body parameters, on-device learning can be utilized to build personalized models for behavioral and physiological patterns, and provide data privacy for users at the same time. However, resource constraints on most of these wearable devices prevent the ability to perform online learning on them. To address this issue, it is required to rethink the machine learning mo…
Real-World Receptivity to Adaptive Mental Health Interventions: Findings from an In-the-Wild Study
Indian Institute of Science Education;Research Bhopal (IISERB) Bhauri Bhopal Madhya Pradesh India 462066;All India Institute of Medical Sciences Bhopal Bhopal Madhya Pradesh India 462026;Research Bhopal (IISERB);All India Institute of Medical Sciences Bhopal
Adaptive Multi-Agent Deep Reinforcement Learning for Timely Healthcare Interventions
University of Southern Queensland(南昆士兰大学);Wuhan University of Technology(武汉理工大学);Lingnan University(岭南大学);Hong Kong Baptist University(香港浸会大学);Huazhong University of Science and Technology(华中科技大学)
Personalized Digital Health Modeling with Adaptive Support Users
Department of Computer Science, University of California, Irvine(加州大学尔湾分校计算机科学系);Thrive AI Health;Sue & Bill Gross School of Nursing , University of California, Irvine(加州大学尔湾分校苏和比尔·格罗斯护理学院)
Michael G. Foster School of Business, University of Washington(华盛顿大学迈克尔·G·福斯特商学院);Kelley School of Business, Indiana University(印第安纳大学凯利商学院)
Online healthcare communities provide users with various healthcare interventions to promote healthy behavior and improve adherence. When faced with too many intervention choices, however, individuals may find it difficult to decide which option to take, especially when they lack the experience or knowledge to evaluate different options. The choice overload issue may negatively affect users' engagement in health management. In this study, we take a design-science perspective to propose a recommendation framework that helps users to select healthcare interventions. Taking into account that user…
Illinois Institute of Technology(伊利诺伊理工学院);Weill Cornell Medicine(威尔康奈尔医学院)
Social media has been one of the main information consumption sources for the public, allowing people to seek and spread information more quickly and easily. However, the rise of various social media platforms also enables the proliferation of online misinformation. In particular, misinformation in the health domain has significant impacts on our society such as the COVID-19 infodemic. Therefore, health misinformation in social media has become an emerging research direction that attracts increasing attention from researchers of different disciplines. Compared to misinformation in other domain…
Simulating clinical interventions with a generative multimodal model of human physiology
Department of Computer Science and Applied Mathematics, Weizmann Institute of Science(魏茨曼科学研究所计算机科学与应用数学系);Department of Molecular Cell Biology, Weizmann Institute of Science(魏茨曼科学研究所分子细胞生物学系);NVIDIA;Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen(诺沃维克基金会基础代谢研究中心,哥本哈根大学);Faculty of Medical and Health Sciences, Tel Aviv University(特拉维夫大学医学与健康科学学院);The Jesse Z and Sara Lea Shafer Institute for Endocrinology and Diabetes, National Center for Childhood Diabetes, Schneider Children’s Medical Center of Israel(杰西Z和索菲亚·李·沙弗内分泌学与糖尿病研究所,以色列儿童糖尿病国家中心,施耐德儿童医学中心);Mohamed bin Zayed University of Artificial Intelligence(穆罕默德·本·扎耶德人工智能大学)
Structured Exploration vs. Generative Flexibility: A Field Study Comparing Bandit and LLM Architectures for Personalised Health Behaviour Interventions
University of Toronto(多伦多大学);Stanford University(斯坦福大学)
A Scoping Review of AI-Driven Digital Interventions in Mental Health Care: Mapping Applications Across Screening, Support, Monitoring, Prevention, and Clinical Education
School of International and Public Affairs(国际与公共事务学院);Columbia University(哥伦比亚大学);Department of Psychology(心理学系);Seton Hall University(塞顿·霍尔大学)
Instituto Federal do Norte de Minas Gerais (IFNMG)(北米纳斯吉拉斯联邦学院);Federal University of Minas Gerais(米纳斯吉拉斯联邦大学);Universidade Federal de Minas Gerais(米纳斯吉拉斯联邦大学);Universidade Federal de Ouro Preto(奥罗普雷托联邦大学)
The COVID-19 pandemic due to the SARS-CoV-2 coronavirus has directly impacted the public health and economy worldwide. To overcome this problem, countries have adopted different policies and non-pharmaceutical interventions for controlling the spread of the virus. This paper proposes the COVID-ABS, a new SEIR (Susceptible-Exposed-Infected-Recovered) agent-based model that aims to simulate the pandemic dynamics using a society of agents emulating people, business and government. Seven different scenarios of social distancing interventions were analyzed, with varying epidemiological and economic…
The Last JITAI? Exploring Large Language Models for Issuing Just-in-Time Adaptive Interventions: Fostering Physical Activity in a Conceptual Cardiac Rehabilitation Setting
Ludwig Boltzmann Institute for Digital Health and Prevention(路德维希·玻尔兹曼数字健康与预防研究所);Paris-Lodron-University of Salzburg(萨尔茨堡巴黎洛顿大学);AIT Austrian Institute of Technology GmbH(奥地利技术研究院);University of Southern Denmark(南丹麦大学);Johannes Kepler University Linz(林茨约翰内斯·开普勒大学);Salzburg Research Forschungsgesellschaft(萨尔茨堡研究公司);LMU Munich(慕尼黑大学);University Institute for Sports Medicine, Prevention and Rehabilitation(体育医学、预防与康复大学研究所);Paracelsus Medical University(帕拉塞尔苏斯医科大学);Newcastle University(纽卡斯尔大学)