The Brain's Reward System
Design of Platforms
Impact on health
Miscellaneous
100

The strongest dopamine spikes come from

unpredictable rewards

100

What do social media companies want you to do on their apps?

To maximize your time on the app

100

What is one consequence of a short attention span?

Less ability to focus on tasks, reduced efficiency

100

What is something you could do to limit your social media use?

Set time limits for each app and check in with yourself

200

Name one of the behaviors Dopamine is responsible for.

Reward and Motivation, Learning, Goal-directed behavior

200

Name one thing algorithms track

watch time, likes, shares, replays

200

How does blue light affect your sleep?

Makes it harder for you to fall asleep and suppresses melatonin
200

Unlike predictable rewards, this type of reward pattern produces stronger dopamine spikes and keeps users engaged because they do not know what content will appear next.

Variable or unpredictable rewards?

300

What is reward prediction error

the difference between the reward you expect to get and the reward you actually receive

300

Explain the concept of variable rewards

Not all content is equally engaging and unpredictability keeps you scrolling/hooked

300

What is the stress hormone called, and what are its impacts

Cortisol. It activates your brain and keeps you alert/awake

300

This concept describes how dopamine increases when a reward is better than expected and decreases when it is worse than expected.

 Reward prediction error?