---
title: Optogenetics – Using Light to Control the Brain and Your Pain — HIGH T3CH
url: https://hight3ch.com/optogenetics-using-light-to-control-the-brain-and-your-pain/
date: 2014-02-21
---

# Optogenetics – Using Light to Control the Brain and Your Pain

This video shows how scientists can control the behavior of cells simply by switching on a light. The technique, known as optogenetics, is teaching us about everything from how we wake up to how we learn.