# Dragon Notes

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### A.I. Detects Alzheimer's in Brain Scans Six Years Before a Diagnosis

• - Researchers programmed a machine-learning algorithm to diagnose early-stage Alzheimer's disease
• - When tested, the algorithm correctly identified 92 percent of patients who developed Alzheimer's disease in the first test set, and 98 percent in the second
• - The AI made predictions, on average, 78.8 months before the patient received their final diagnosis
• - Early diagnosis is critical, as it allows to treat symptoms before damage becomes irreversible
• - For full clinical relevance, researchers deem necessary to train the algorithm on a larger, more diverse patient dataset

D. Smith; USCF. Jan 2, 2019.