You can often tell how old a person is: gray hair, wrinkles or even a stooped posture. But if Hans Grabe wants to determine the age of a brain, this requires a lot more effort. He needs to take a high-resolution brain scan and visualize the brain anatomy. And even then, it is impossible to identify the microscopic changes in the aging brain with the naked eye. To do this, he needs the help of a specially trained artificial intelligence (AI).

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