Perspectives on Artificial Intelligence (AI) Integral to the Global Dementia Spectrum Project

David E. Leveille, Armando A. Arias

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Throughout his career, the author has spearheaded several notable national and international projects within the health professions, including field studies on the epidemiology of AIDS, health care utilization among immigrant populations, and cross-cultural comparisons of medical care. As a researcher, observer, and even as a patient, he has borne witness to groundbreaking advancements in medical research. This includes contributions to public health initiatives addressing the spread of infectious diseases and the evolving landscape of epidemiological studies. Additionally, the author was part of a pioneering team that established a clinic dedicated to serving medically underserved populations, ensuring equitable access to care for marginalized communities.

Moreover, alongside two colleagues, the author co-founded a nursing school and developed Continuing Medical Education (CME) courses to advance the training of health care professionals. These experiences in public health, medical education, and clinical outreach have profoundly influenced the author’s understanding of the medical field, revealing critical intersections between medical research, health care delivery, and societal needs.

Now, as his focus shifts to the Global Dementia Spectrum Project, the author identifies clear parallels between the research demands of dementia and those emerging in the broader neurosciences. Advances in computational sciences and artificial intelligence (AI) have opened new avenues for understanding neurodegenerative diseases, enabling more precise diagnostic tools and personalized treatment approaches.

Drawing from personal experiences caring for loved ones affected by Alzheimer’s, dementia, Parkinson’s disease, ALS, and other neurodegenerative conditions, the author brings a unique dual perspective to his work. His understanding of both the scientific advancements in neuroscience and the deeply human aspects of cognitive decline has shaped his commitment to dementia research. By leveraging AI-driven models and interdisciplinary approaches, he aims to contribute to the development of innovative solutions in the treatment and management of these complex conditions. This convergence of medical research, neuroscience, and computational innovation holds the potential to transform how we understand and combat brain-related impairments.

Medical care today is driven by vast amounts of data—imaging scans, tumor mutations, blood tests, treatment regimens—all recorded in digital/electronic systems. While these records are used to determine the best course of action for individual patients, they also create a legacy of data from which patterns can be discerned (through massive data analysis) benefiting future generations of patients. Artificial Intelligence (AI), particularly through machine learning and deep learning models, plays a crucial role in analyzing these complex datasets. AI systems can identify patterns that may not be immediately apparent to human researchers, making it possible to predict outcomes, personalize treatments, and improve diagnostic accuracy.

A prime example of this is IBM’s Watson for Oncology, a cognitive computing system designed to analyze medical records, research papers, and clinical data to recommend personalized cancer treatments based on the latest evidence. Leveraging AI techniques such as natural language processing and machine learning, this powerful system sifts through complex layers of information on a global basis—patient demographics, pathology reports, lab results, and treatment outcomes—to provide clinicians with evidence-based options. AI algorithms in Watson are continuously learning from new data, improving their recommendations over time, and helping to bridge the gap between large-scale data research and analysis and individualized patient care. This is the immediate goal of The Global Dementia Spectrum Project or to provider a transformative interdisciplinary platform in medical AI, where the integration of data-driven insights with clinical expertise is interdigitated through the use and application of Active Knowledge Models. Thus, this approach promises to revolutionize the future of both medical research as well as healthcare, especially for patients with dementia.

The dementia field (much like that of oncology) is a rich ecosystem of collaboration between "wet labs," where scientists conduct experiments, and "dry labs," where computational models and statistics are employed to decipher the vast amounts of data generated. In this way, the medical sciences are evolving into an information science, where computational methods, including machine learning (ML) and artificial intelligence (AI), are now indispensable for pattern recognition, predictive modeling, and diagnostics. These tools, however, cannot simply be used indiscriminately; they require nuanced integration, where data must be interpreted through a multi-disciplinary lens. To achieve this, we must inter-digitate and develop a cross-disciplinary paradigm for looking. AI-driven approaches, such as active knowledge models, offer dynamic frameworks that not only analyze data but continuously learn from new insights. These systems can adaptively integrate inputs from both experimental (wet lab) findings and computational (dry lab) processes, enabling real-time refinement of hypotheses. By applying a variety of knowledges with the right assumptions, and being guided by lessons learned in computational expertise, active knowledge models can effectively support data-driven discoveries. This underscores the importance of interdisciplinary partnerships, where AI can act as a bridge, enhancing collaboration across diverse fields. We must interweave computational techniques and experimental research, developing a cross-disciplinary paradigm that draws insights from various domains. It's crucial to apply a diversity of knowledge frameworks with the right assumptions, guided by the growing expertise in AI and machine learning.

Active Knowledge Models (AKMs) play a pivotal role in this process. These models integrate data-driven approaches with real-time learning, adapting dynamically as new information is processed. By doing so, they not only assist in analyzing complex datasets but also in making predictions and personalizing treatment plans for patients with dementia. For instance, AI-powered AKMs can help identify early-stage dementia by cross-referencing genetic data with patient histories and lifestyle factors, much like how AI is used to predict cancer progression.

In a broader sense, AKMs support collaboration between disciplines by creating shared knowledge spaces. Imagine a neurologist working alongside a data scientist, with the AKM acting as a living repository that evolves as more data is gathered, enabling both professionals to refine their understanding in tandem. This integration is key to fostering interdisciplinary partnerships that can lead to breakthroughs in dementia research, much like similar partnerships are driving innovations in fields such as oncology, genomics, and epidemiology in the United States.

AI’s growing role in medical research and healthcare extends far beyond data analysis. It has the potential to revolutionize diagnostic imaging by assisting experts in analyzing scans and pathology slides, enhancing human accuracy and efficiency. However, AI is only as effective as the data it is trained on. When it encounters unfamiliar patterns, its ability to identify them is limited—something that will need to be fine-tuned as the technology advances.

This careful balance of computational power and human expertise, honed in the dementia field, offers valuable lessons for The Global Dementia Spectrum Project. The platform require systems that can synthesize massive amounts of data to not only provide deeper medical research but also insights to better personalize care while at the same time generate insights that will advance future research, research applications and treatments. As the marriage of AI and AKMs continues to evolve, the author sees its role as equally crucial in understanding and addressing the complex needs of dementia patients. Moreover, the same meticulous approach used in oncology—building models on solid foundations of data, testing assumptions, and ensuring human oversight—will be key in developing AI-based solutions for neurodegenerative diseases like dementia.

Integrating AI into both cancer and dementia care presents a transformative opportunity to enhance patient diagnosis, treatment, and outcomes. While these fields have distinct challenges, there are critical parallels in how AI and AKM is applied to unlock new levels of insight and precision in medical research and healthcare. The author, drawing on their deep personal and professional engagement with dementia, believes that the potential value of AI extends to dementia research in profound ways. In this book, the author examines the similarities between these domains, we can begin to understand how the marriage of AI and AKMs will reshape the future of both cancer and dementia research and care.
Original languageAmerican English
Title of host publicationGlobal Dementia Spectrum Project
StatePublished - 2025

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