Brian Johnson explains why multitasking doesn't work: switching between tasks leaves "attention residue" that slows your brain down. Research shows single-task focus produces better results than constant switching.
Multitasking, A, doesn't really exist. You can't actually do two things at once. You just rapidly split your attention, go from this to this, to this, to this, diminishing your performance in both of them. So we all know that multitasking isn't the way to roll. The research has shown that when you split your attention like that and you go from one project to another project, to another project, to another project, you have something that researchers call attention residue. You perform less well than someone who goes straight in one thing for a longer period of time. You don't have the attention residue, which diminishes performance. It's a really cool idea.
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