While simple tests based on drawings allow doctors to discern the first warning signs of the disease, the researchers say it's possible to train AI algorithms to provide much more reliable predictions., the study evaluated the performance of an AI algorithm trained to make predictions about participants in the Framingham Heart Study cohort.
This task is commonly used to evaluate cognitive impairment in neurological disorders, but until now the analysis of participants' performance on this task was carried out by a human – a clinician who would evaluate the results. In the IBM-Pfizer test, AI was trained to evaluate the task responses through automated linguistic analysis. And it seemed to work well.
From written responses provided over several years by a sample of 80 patients, half of whom developed the disease after 85 years of age, doctors succeeded in predicting the early signs of Alzheimer's in 60% of cases. The same analysis by an AI programme led to a success rate of 70%, according to the researchers. They were able to verify their model's predictions against actual outcomes in the cohort.
And this is just the beginning. According to them, future analysis and prediction of Alzheimer's disease onset using speech or linguistic tests by AI will only improve. – AFP Relaxnews
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