The Effects of Addictive Social Media

How does social media use dopamine to keep you scrolling?

Social media triggers dopamine with likes, comments, and notifications, giving small “hits” of reward that make your brain want to keep checking.

What is a “variable reward” and why does it make social media addictive?

A variable reward is when you don’t know when you’ll get a like or new post; unpredictable rewards make your brain more engaged and keep you scrolling longer.

Why are notifications so hard to ignore?

Notifications hijack your attention by acting like urgent signals, training your brain to respond automatically instead of focusing on what you planned.

How does “fear of missing out” (FOMO) keep you online?

FOMO makes you feel anxious about missing updates, so your brain pulls you back to social media to check what others are doing.

What is an attention economy and how does social media fit into it?

The attention economy is the business of selling your attention to advertisers; social media is designed to keep you scrolling so you see more ads.

How do “infinite scroll” and autoplay videos exploit your brain?

Infinite scroll and autoplay remove natural stopping points, so your brain keeps consuming content without realizing how much time has passed.

Why is social media compared to a slot machine?

Like a slot machine, social media gives random rewards (likes, new posts), which strongly reinforces the habit of checking and scrolling.

How do algorithms personalize your feed to keep you hooked?

Algorithms learn what keeps you engaged and show you more emotionally charged or addictive content, trapping you in a reinforcing loop.

What role does your prefrontal cortex play in social media use?

Your prefrontal cortex helps with self‑control and planning, but constant social media use weakens its ability, making it harder to