The Book of Waking Up by Seth Haines

Author:Seth Haines
Language: eng
Format: epub
Publisher: Zondervan
Published: 2019-11-12T00:00:00+00:00

84. WEAR THAT RECORD OUT

Behind every desire, every reward-seeking behavior, every compulsive habit, you’ll find the reward center firing on all cylinders. To be even more specific, you’ll find dopamine—the life of the party—doing its thing.

When a heroin addict has a craving, it’s the dopamine spike in response to some cue (often sent by the amygdala) that motivates desire for the rush of the chemical high. When he gets his fix, dopamine works in conjunction with synthetic endorphins to bring a satisfying euphoria. In that euphoria, dopamine etches a groove in his brain, creates a record. What tune does the record play?

Heroin brings the fix.

Dopamine is a lackluster composer, though, and it plays the same tune for each of our coping mechanisms, changing a singular lyric. What do I mean?

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