How we decide

Who knows what I want to do? Who knows what anyone wants to do? How can you be sure about something like that? Isn't it all a question of brain chemistry, signals going back and forth, electrical energy in the cortex? How do you know whether something is really what you want to do or just some kind of nerve impulse in the brain? Some minor little activity takes place somewhere in this unimportant place in one of the brain hemispheres and suddenly I want to go to Montana or I don't want to go to Montana. — DON D E L I L L O , White Noise

Overview ,[object Object],[object Object],[object Object],[object Object]

Plato’s horses Reason Emotion Plato – Successful person – Reason horse is more in control

Do we need emotions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Emotions in decision making ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Feelings and behavior ,[object Object],[object Object],[object Object],[object Object]

Emotions and Dopamine ,[object Object],[object Object],[object Object],[object Object]

Role of Dopamine ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Dopamine neurons fire here O-shit circuit, alerts to some abnormal thing

Learning and the ACC ,[object Object],[object Object],[object Object],[object Object]

Emotions versus logic ,[object Object],[object Object],[object Object],[object Object]

Fooled by feeling ,[object Object],[object Object]

Metacognition ,[object Object],[object Object]

Dopamine and overconfidence ,[object Object],[object Object],[object Object],[object Object]

Loss aversion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Deal or no Deal ,[object Object],[object Object],[object Object]

Pre-frontal cortex – The seat of reason Damage to PFC – People are driven entirely by emotions Cannot contain self-destructive behavior

The uses of reason ,[object Object],[object Object],[object Object]

Framing problem ,[object Object],[object Object],[object Object],[object Object]

Delayed gratification ,[object Object],[object Object],[object Object],[object Object],[object Object],Marshmallows

Stroop task Green Red Blue Purple Blue Purple

Stroop test Blue Purple Red Green Purple Green

Choking on thought ,[object Object],[object Object],[object Object]

Choking on thought ,[object Object],[object Object],[object Object],[object Object]

Functional magnetic resonance imaging ,[object Object],[object Object],[object Object]

Final takeaways ,[object Object],[object Object],[object Object],[object Object]

How we decide

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How we decide