AI Applications in Healthcare: Unraveling Brain Aging

Jennifer He
ViTAL Northeastern
Published in
3 min readNov 27, 2023

In the rapidly evolving landscape of healthcare, the integration of artificial intelligence (AI) technologies is reshaping the way we approach diagnosis and treatment. A pioneering advancement in this realm is the development of the “HistoAge” algorithm, a transformative tool that predicts age at death and sheds light on the intricacies of brain aging and neurodegenerative disorders.

The HistoAge algorithm leverages the power of machine learning, a statistical technique at the core of many AI approaches. Machine learning, particularly neural networks and deep learning, has become a cornerstone in healthcare. In a Deloitte survey, 63% of companies were already employing machine learning in their healthcare-related pursuits. This technology is instrumental in precision medicine, predicting treatment protocols based on patient attributes and contextual factors.

Neural networks, a more complex form of machine learning, have been a stalwart in healthcare research for decades. They excel in categorization applications, such as predicting the likelihood of a patient acquiring a specific disease. Deep learning, an even more intricate form of machine learning, is increasingly applied in healthcare, notably in the recognition of potentially cancerous lesions in radiology images. This breakthrough holds promise for enhanced accuracy in diagnosis, particularly in oncology-oriented image analysis.

Natural language processing (NLP), a field focused on making sense of human language, is another pivotal AI technology. In healthcare, NLP applications involve creating, understanding, and classifying clinical documentation and published research. NLP systems can analyze unstructured clinical notes, transcribe patient interactions, and contribute to conversational AI.

Rule-based expert systems, an earlier technology, were widely used in the 1980s for clinical decision support in healthcare. However, they are gradually being supplanted by data-driven approaches based on machine learning. Physical robots, surgical robots, and robotic process automation (RPA) are also making their mark in healthcare. Surgical robots, for instance, provide surgeons with enhanced capabilities, particularly in precise and minimally invasive procedures.

RPA, a technology performing structured digital tasks for administrative purposes, is used in healthcare for repetitive tasks like prior authorization, updating patient records, and billing. The integration of image recognition with RPA enables the extraction of data from sources like faxed images for input into transactional systems.

As these AI technologies continue to evolve, their integration becomes increasingly sophisticated. The convergence of machine learning, robotics, and image recognition suggests a future where composite solutions are more likely and feasible.

In the realm of diagnosis and treatment applications, AI has been a focus since the 1970s. Early systems like MYCIN at Stanford showed promise but faced challenges in integration with clinician workflows. More recent endeavors, such as IBM’s Watson, have garnered attention for precision medicine applications, particularly in cancer diagnosis and treatment.

However, the implementation of AI in healthcare faces challenges. Rule-based clinical decision support systems, though widely used, lack the precision of algorithmic systems based on machine learning. Integration issues persist, hindering the broader implementation of AI capabilities in clinical practice.

Despite these challenges, ongoing research and development in AI-driven diagnosis and treatment are abundant. Tech firms and startups are actively working on leveraging AI for various medical applications, from prediction models for high-risk conditions to image interpretation algorithms. The promise of evidence- and probability-based medicine, facilitated by AI, presents both opportunities and ethical considerations.

As the healthcare industry grapples with the integration of AI, the potential for transformative insights and advancements in diagnosis and treatment is vast. The interplay between technology and healthcare continues to evolve, with AI paving the way for a future where personalized, accurate, and efficient care is within reach.

References

1. Davenport, T., & Kalakota, R. (2019). The potential for artificial intelligence in healthcare. Future healthcare journal, 6(2), 94–98. https://doi.org/10.7861/futurehosp.6-2-94

2. Neuroscience News. (2023, October 10). Ai uncovers secrets of Brain Aging. https://neurosciencenews.com/ai-brain-aging-24934/

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