New AI Tool Accurately Detects Nine Types of Dementia Using Single Brain Scan: Study Shows
Published in the journal Neurology, Mayo Clinic researchers have introduced an artificial intelligence (AI) tool that can identify brain activity patterns linked to nine types of dementia including Alzheimer’s disease from a single, commonly used scan. The tool, called StateViewer, marks a major step forward in early, accurate diagnosis and faster clinical decision-making.
Diagnosing dementia has long been a complex and time-consuming process, often involving a mix of cognitive assessments, imaging, clinical interviews, and referrals to specialists. Even with these, distinguishing dementia remains difficult.
To tackle this challenge, Mayo Clinic researchers trained StateViewer on more than 3,600 brain scans from both dementia patients and cognitively healthy individuals. The tool analyzes FDG-PET scans used to observe glucose metabolism in the brain and compares them to a vast database of confirmed dementia cases. By identifying specific brain activity patterns, the tool matches scans with distinct dementia types.
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