Why are some people better at multitasking?

Our capacity to juggle several tasks at once is among the most important capabilities of the human cognitive system.

Just consider a typical day in the life of a modern human: you glance at your phone while waiting for coffee to brew, skim headlines while half-listening to a podcast, mentally rehearse a client pitch while walking your child to school, reply “noted” on Slack during a meeting while updating a slide deck, check your bank balance while standing in line, and, in a moment of entirely optional productivity theatre...