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So I have a confession to make.

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I only recently learned how to drive.

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And it was really hard.

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Now, this wasn't an older brain thing.

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Do you remember what it was like
when you first learned how to drive?

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When every decision you made
was so conscious and deliberate?

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I'd come home from my lessons
completely wiped out mentally.

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Now, as a cognitive scientist,
know that this is because

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I was using a lot of something
called executive function.

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Executive function is our amazing ability
to conciously control our thoughts,

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emotions and actions

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in order to achieve goals.