Skip to content

This dopamine study is mind blowing 🐀

2023-06-19 · Short · Ali · recording, 1:00 · watch on YouTube

Topic: Health, sleep and habits · mode: Explanation and tutorial · tags: Evidence-based framing

In a Short, Ali describes a study in which rats without dopamine still pressed a lever and enjoyed food but would not move even one body length to reach it, and concludes that dopamine is needed not to feel pleasure but to be motivated to seek it.

What is said

The parts of the video and what is said in each (★ — how much it matters to the video).

00:00:00 — The rat study on dopamine, pleasure and motivation

  • ★★ In the study Ali describes, scientists eliminated the dopamine neurons of one group of rats by injection, leaving them unable to produce dopamine, yet these rats still pressed a lever for food and enjoyed the food. — 00:00:00
  • ★★ When the rats were moved a body length from the lever, Ali says, those with dopamine returned to press it for food, but the rats without dopamine would not move even a single rat length, around 15 centimetres. — 00:00:29
  • ★★★ Ali says the rat study shows that you do not need dopamine to experience pleasure but to be motivated to seek pleasure. — 00:00:29
  • ★★ Ali says this can be a problem for people with naturally lower levels of dopamine: they are less motivated to do things even though they can still experience the same level of pleasure. — 00:00:29

In the description and comments

  • ★ Ali Abdaal (channel): The channel says the inspiration for the Short on the dopamine rat study came from an episode of Andrew Huberman's podcast. — creator comment

Mentioned

Central: dopamine

Only in the description or credits: Andrew Huberman · Huberman Lab

Also centred on dopamine: How Dopamine Actually Works 🧠 · How much dopamine do you get from sex?

← Previous: The Goal-Gradient Hypothesis 🎯 · Next → The Sunk Cost Fallacy 😐