# What happens when you have a concussion?

- Institution: TED
- Department: TED-Ed
- Speaker: Clifford Robbins
- Year: 2017
- Level: For everyone
- Language: English
- Subjects: Biology, Medicine and health, Psychology and the brain, Teaching and learning
- Source: [TED](https://www.ted.com/talks/clifford_robbins_what_happens_when_you_have_a_concussion)
- Licence: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (Non-commercial use only, and no changed versions.)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated and lies in how the brain responds when something strikes it. Clifford Robbins explains the science behind concussions. \[Directed by Rémi Cans, narrated by Addison Anderson, music by Nicolas Martigne\].

## Lectures

1. [What happens when you have a concussion?](https://invisiblenetwork.ai/learn/ted/clifford_robbins_what_happens_when_you_have_a_concussion/e05d25cd1bb9), 6 min (TED's player)