Whether it’s heart health or exercise routines, there are plenty of biometrics Apple Watch can keep tabs on. But could it also be used to monitor cognitive performance and possible decline?
That’s the basis of a new, multi-year observational research study announced Monday. A collaboration between Apple and neuroscience company Biogen, the aim is to assess the role the Apple wearable and the iPhone could play in measuring cognitive health.

January 9, 2001: Steve Jobs introduces customers to iTunes at Macworld.