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Dementia affects cognitive functions of adults, including memory, language, and behaviour. Standard diagnostic biomarkers such as MRI are costly, whilst neuropsychological tests suffer from sensitivity issues in detecting dementia onset.…

Computation and Language · Computer Science 2023-12-27 Dimitris Gkoumas , Bo Wang , Adam Tsakalidis , Maria Wolters , Arkaitz Zubiaga , Matthew Purver , Maria Liakata

The aging society urgently requires scalable methods to monitor cognitive decline and identify social and psychological factors indicative of dementia risk in older adults. Our machine learning (ML) models captured facial, acoustic,…

This work introduces a hierarchical strategy for terrain-aware bipedal locomotion that integrates reduced-dimensional perceptual representations to enhance reinforcement learning (RL)-based high-level (HL) policies for real-time gait…

Robotics · Computer Science 2025-12-16 Guillermo A. Castillo , Himanshu Lodha , Ayonga Hereid

Dementia is a neurological syndrome marked by cognitive decline. Alzheimer's disease (AD) and Frontotemporal dementia (FTD) are the common forms of dementia, each with distinct progression patterns. EEG, a non-invasive tool for recording…

Signal Processing · Electrical Eng. & Systems 2024-08-21 Shivani Ranjan , Ayush Tripathi , Harshal Shende , Robin Badal , Amit Kumar , Pramod Yadav , Deepak Joshi , Lalan Kumar

In this study, we present a technique that spans multi-scale views (global scale -- meaning brain network-level and local scale -- examining each individual ROI that constitutes the network) applied to resting-state fMRI volumes. Deep…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Ammu R. , Debanjali Bhattacharya , Ameiy Acharya , Ninad Aithal , Neelam Sinha

Agitation is one of the most prevalent symptoms in people with dementia (PwD) that can place themselves and the caregiver's safety at risk. Developing objective agitation detection approaches is important to support health and safety of PwD…

Machine Learning · Computer Science 2023-08-16 Zhidong Meng , Andrea Iaboni , Bing Ye , Kristine Newman , Alex Mihailidis , Zhihong Deng , Shehroz S. Khan

Home-cage social behaviour analysis of mice is an invaluable tool to assess therapeutic efficacy of neurodegenerative diseases. Despite tremendous efforts made within the research community, single-camera video recordings are mainly used…

Computer Vision and Pattern Recognition · Computer Science 2021-07-07 Zheheng Jiang , Feixiang Zhou , Aite Zhao , Xin Li , Ling Li , Dacheng Tao , Xuelong Li , Huiyu Zhou

Effective modeling of electronic health records presents many challenges as they contain large amounts of irregularity most of which are due to the varying procedures and diagnosis a patient may have. Despite the recent progress in machine…

Machine Learning · Computer Science 2019-10-07 Sajad Darabi , Mohammad Kachuee , Majid Sarrafzadeh

Mild-stage dementia patients primarily experience two critical symptoms: severe memory loss and emotional instability. To address these challenges, we propose DEMENTIA-PLAN, an innovative retrieval-augmented generation framework that…

Artificial Intelligence · Computer Science 2025-03-28 Yutong Song , Chenhan Lyu , Pengfei Zhang , Sabine Brunswicker , Nikil Dutt , Amir Rahmani

Video-based ambient monitoring of gait for older adults with dementia has the potential to detect negative changes in health and allow clinicians and caregivers to intervene early to prevent falls or hospitalizations. Computer vision-based…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Caroline Malin-Mayor , Vida Adeli , Andrea Sabo , Sergey Noritsyn , Carolina Gorodetsky , Alfonso Fasano , Andrea Iaboni , Babak Taati

We propose a representation learning framework for medical diagnosis domain. It is based on heterogeneous network-based model of diagnostic data as well as modified metapath2vec algorithm for learning latent node representation. We compare…

Machine Learning · Computer Science 2020-01-24 Karol Antczak

Collecting and accessing a large amount of medical data is very time-consuming and laborious, not only because it is difficult to find specific patients but also because it is required to resolve the confidentiality of a patient's medical…

Sound · Computer Science 2021-03-04 Junghyun Koo , Jie Hwan Lee , Jaewoo Pyo , Yujin Jo , Kyogu Lee

Representation learning (RL) plays an important role in extracting proper representations from complex medical data for various analyzing tasks, such as patient grouping, clinical endpoint prediction and medication recommendation. Medical…

Machine Learning · Computer Science 2019-10-15 Ying Wang , Xiao Xu , Tao Jin , Xiang Li , Guotong Xie , Jianmin Wang

Dementia is a syndrome, generally of a chronic nature characterized by a deterioration in cognitive function, especially in the geriatric population and is severe enough to impact their daily activities. Early diagnosis of dementia is…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-21 Rupayan Chakraborty , Meghna Pandharipande , Chitralekha Bhat , Sunil Kumar Kopparapu

Reinforcement Learning (RL) has recently been applied to sequential estimation and prediction problems identifying and developing hypothetical treatment strategies for septic patients, with a particular focus on offline learning with…

Machine Learning · Computer Science 2020-11-24 Taylor W. Killian , Haoran Zhang , Jayakumar Subramanian , Mehdi Fatemi , Marzyeh Ghassemi

We target passive dementia screening from short camera-facing talking head video, developing a facial temporal micro dynamics analysis for language free detection of early neuro cognitive change. This enables unscripted, in the wild video…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Filippo Cenacchi , Longbing Cao , Mitchell McEwan , Deborah Richards

Learning data representations under uncertainty is an important task that emerges in numerous scientific computing and data analysis applications. However, uncertainty quantification techniques are computationally intensive and become…

Machine Learning · Computer Science 2025-08-06 Paz Fink Shustin , Shashanka Ubaru , Małgorzata J. Zimoń , Songtao Lu , Vasileios Kalantzis , Lior Horesh , Haim Avron

Machine learning techniques combined with in-home monitoring technologies provide a unique opportunity to automate diagnosis and early detection of adverse health conditions in long-term conditions such as dementia. However, accessing…

Early clinical assessment of Alzheimer's disease relies on behavior scores that measure a subject's language, memory, and cognitive skills. On the medical imaging side, functional magnetic resonance imaging has provided invaluable insights…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Javier Salazar Cavazos , Maximillian Egan , Krisanne Litinas , Benjamin Hampstead , Scott Peltier

This paper presents a method for indexing human ac- tivities in videos captured from a wearable camera being worn by patients, for studies of progression of the dementia diseases. Our method aims to produce indexes to facilitate the…