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Wi-Fi-based technology developed to detect depression in older adults
A new study published in JMIR Aging developed and tested a new AI model called HOPE which uses Wi-Fi-based motion sensor data to detect depression in older adults without relying on intrusive wearable devices. The research highlights a novel machine learning model that accurately detected depression among participants. Led by principal investigator, Professor Samira A Rhaimi from McGill University and Mila-Quebec AI Institute, the study aimed to determine whether everyday movement and sleep patterns collected through Wi-Fi-based sensors could provide early indicators of depression in adults 65 years and older. With an accuracy rate above 87%, this innovative approach presents a promising solution for early intervention and nonintrusive mental health monitoring, offering an alternative to traditional methods that require direct patient engagement. Depression is a growing public health concern among older adults, with studies estimating that 10-15% of community-dwelling older adults and 30-40% of those in long-term care facilities experience this condition. However, nearly half of depression cases remain undiagnosed, leading to detrimental effects on physical health, increased hospitalization rates, and reduced quality of life. Traditional detection methods, including clinical interviews and wearable-based monitoring, are often resource-intensive, intrusive, or inconvenient, particularly for older adults who may struggle with technology adoption. The HOPE model addresses these challenges by leveraging existing Wi-Fi infrastructure, enabling continuous passive monitoring without requiring any active participation from users. A key aspect of the HOPE model is the integration of explainable AI (XAI) techniques, ensuring transparency and clinical interpretability. Rahimi's lab used explainable machine learning models to identify the most influential factors in depression detection. The results underscored the important role of sleep-related features, including average sleep duration, frequency of sleep interruptions, and frailty levels as primary indicators of depression. By making these AI-driven predictions interpretable and clinically meaningful, the HOPE model enhances trust and facilitates early detection of depression among older adults in the community. The study highlights the importance of sleep-related factors in detecting depression. The analysis revealed that the most influential factors were sleep duration, the number and duration of sleep interruptions, and the level of frailty, which aligns with previous research on the link between sleep and mental health and reinforces the need for further exploration in this area. "Too often, the mental health of older adults is overlooked, leaving many to suffer in silence without the care and attention they deserve. Our HOPE model could act as a caring friend who looks out for signs of depression in older adults using everyday Wi-Fi data to spot potential issues early on and without being intrusive. It's about using technology to lend a helping hand, especially for those who might find it hard to reach out themselves," said Samira A. Rahimi, one of the McGill University researchers. The study demonstrates the feasibility of using smart home technology for mental health assessments. While these findings are promising, larger studies are needed to provide further evidence for this approach. This technology could support early intervention efforts and improve the quality of life for older adults at risk of depression.
[2]
AI Meets Mental Health: Wi-Fi-Based Depression Detection for Aging Populations | Newswise
AI-generated image, in response to the prompt: "generate an image: An older adult who is depressed is sitting at home and being monitored using WiFi-based motion sensors. Machine learning is used to identify depression, and the status for 'Depression Classification' is set to 'Depressed'." (Generator: ChatGPT). Newswise -- (Toronto, March 4, 2025) A new study published in JMIR Aging developed and tested an innovative artificial intelligence (AI) model called HOPE that uses Wi-Fi-based motion sensor data to detect depression in older adults. This study offers a nonintrusive alternative to wearable devices, improving accessibility and compliance among aging populations. The research, titled "Development and Feasibility Study of HOPE Model for Prediction of Depression Among Older Adults Using Wi-Fi-based Motion Sensor Data: Machine Learning Study," was published by JMIR Publications. It highlights a novel machine learning model that accurately detected depression among older adults. Led by principal investigator, Professor Samira A Rhaimi from McGill University and Mila-Quebec AI Institute, the study aimed to determine whether everyday movement and sleep patterns collected through Wi-Fi-based sensors could provide early indicators of depression in adults 65 years and older. With an accuracy rate above 87%, this innovative approach presents a promising solution for early intervention and nonintrusive mental health monitoring, offering an alternative to traditional methods that require direct patient engagement. Depression is a growing public health concern among older adults, with studies estimating that 10%-15% of community-dwelling older adults and 30%-40% of those in long-term care facilities experience this condition. However, nearly half of depression cases remain undiagnosed, leading to detrimental effects on physical health, increased hospitalization rates, and reduced quality of life. Traditional detection methods, including clinical interviews and wearable-based monitoring, are often resource-intensive, intrusive, or inconvenient, particularly for older adults who may struggle with technology adoption. The HOPE model addresses these challenges by leveraging existing Wi-Fi infrastructure, enabling continuous passive monitoring without requiring any active participation from users. A key aspect of the HOPE model is the integration of explainable AI (XAI) techniques, ensuring transparency and clinical interpretability. Rahimi's lab used explainable machine learning models to identify the most influential factors in depression detection. The results underscored the important role of sleep-related features including average sleep duration, frequency of sleep interruptions, and frailty levels as primary indicators of depression. By making these AI-driven predictions interpretable and clinically meaningful, the HOPE model enhances trust and facilitates early detection of depression among older adults in the community. The study highlights the importance of sleep-related factors in detecting depression. The analysis revealed that the most influential factors were sleep duration, the number and duration of sleep interruptions, and the level of frailty, which aligns with previous research on the link between sleep and mental health and reinforces the need for further exploration in this area. "Too often, the mental health of older adults is overlooked, leaving many to suffer in silence without the care and attention they deserve. Our HOPE model could act as a caring friend who looks out for signs of depression in older adults using everyday Wi-Fi data to spot potential issues early on and without being intrusive. It's about using technology to lend a helping hand, especially for those who might find it hard to reach out themselves" said Samira A. Rahimi, one of the McGill University researchers. The study demonstrates the feasibility of using smart home technology for mental health assessments. While these findings are promising, larger studies are needed to provide further evidence for this approach. This technology could support early intervention efforts and improve the quality of life for older adults at risk of depression. JMIR Publications is a leading open access publisher of digital health research and a champion of open science. With a focus on author advocacy and research amplification, JMIR Publications partners with researchers to advance their careers and maximize the impact of their work. As a technology organization with publishing at its core, we provide innovative tools and resources that go beyond traditional publishing, supporting researchers at every step of the dissemination process. Our portfolio features a range of peer-reviewed journals, including the renowned Journal of Medical Internet Research. To learn more about JMIR Publications, please visit jmirpublications.com or connect with us via Bluesky, Twitter, LinkedIn, YouTube, Facebook, and Instagram. Head office: 130 Queens Quay East, Unit 1100, Toronto, ON, M5A 0P6 Canada Media contact: [email protected] The content of this communication is licensed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, published by JMIR Publications, is properly cited.
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Researchers develop HOPE, an AI model using Wi-Fi-based motion sensors to detect depression in older adults, offering a non-intrusive alternative to traditional methods and wearable devices.
Researchers at McGill University and the Mila-Quebec AI Institute have developed a groundbreaking artificial intelligence model called HOPE (Health Outcomes through Passive Evaluation) that can detect depression in older adults using Wi-Fi-based motion sensor data. The study, published in JMIR Aging, demonstrates the potential of AI and smart home technology in revolutionizing mental health assessments for aging populations 12.
Led by Professor Samira A. Rahimi, the research team aimed to determine whether everyday movement and sleep patterns collected through Wi-Fi-based sensors could provide early indicators of depression in adults aged 65 and older. The HOPE model achieved an impressive accuracy rate of over 87%, offering a promising solution for early intervention and non-intrusive mental health monitoring 12.
Unlike traditional detection methods that rely on clinical interviews or wearable devices, HOPE leverages existing Wi-Fi infrastructure to enable continuous passive monitoring without requiring active participation from users. This approach addresses the challenges of resource-intensive and potentially intrusive traditional methods, making it particularly suitable for older adults who may struggle with technology adoption 1.
A crucial aspect of the HOPE model is its integration of explainable AI (XAI) techniques, ensuring transparency and clinical interpretability. The researchers used explainable machine learning models to identify the most influential factors in depression detection 12.
The study highlighted the importance of sleep-related factors in detecting depression. The analysis revealed that the most influential indicators were:
These findings align with previous research on the link between sleep and mental health, reinforcing the need for further exploration in this area 12.
Depression is a significant issue among older adults, with studies estimating that 10-15% of community-dwelling older adults and 30-40% of those in long-term care facilities experience this condition. Alarmingly, nearly half of depression cases remain undiagnosed, leading to detrimental effects on physical health, increased hospitalization rates, and reduced quality of life 12.
Professor Rahimi emphasized the importance of this research, stating, "Too often, the mental health of older adults is overlooked, leaving many to suffer in silence without the care and attention they deserve. Our HOPE model could act as a caring friend who looks out for signs of depression in older adults using everyday Wi-Fi data to spot potential issues early on and without being intrusive" 12.
While the findings of this study are promising, larger studies are needed to provide further evidence for this approach. The HOPE model demonstrates the feasibility of using smart home technology for mental health assessments and could potentially support early intervention efforts, improving the quality of life for older adults at risk of depression 12.
As AI continues to advance in the field of healthcare, technologies like HOPE may play a crucial role in addressing mental health concerns among aging populations, offering non-intrusive, accessible, and effective solutions for early detection and intervention.
Reference
[1]
Medical Xpress - Medical and Health News
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