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The cost of multitasking

posted Mar 28, 2016, 6:39 PM by Ann Lee
Dr. Earl Miller, an expert on divided attention and a neuroscientist at Massachusetts Institute of Technology, states that our brains are “not wired to multitask well… when people think they’re multitasking, they’re actually just switching from one task to another very rapidly. And every time they do, there’s a cognitive cost.” Miller’s research team at MIT has concluded that:
    Multitasking floods the brain with cortisol, a stress hormone
    Multitasking uses up glucose (brain fuel) faster, exhausting and confusing our minds
    Multitasking leads to scrambled thoughts and inefficiency
    Multitasking lowers our work quality
    Multitasking makes it difficult to filter out irrelevant information
    As your mind jumps from task to task your IQ actually is reduced by 10 points, known as the “switch cost”
Be wary of distractions!
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