Digital Tracking of Cognitive Decline: Researchers Are Co-opting Computers in their Efforts to Detect Early Signs of Dementia.

Pinpointing where healthy brain aging leaves off and dementia begins is difficult. Is a slip in memory an expected outcome for a too-busy person or a warning of something else? If an empty-nester loses the motivation to cook, is it a sign that the person is enjoying retirement after a lifetime spent cooking or an early sign of a cognitive decline?