> ## Content Index
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# The Science of Scratch-Offs: What Your Brain Can’t Resist
- URL: https://www.cascadepbs.org/show/nova/extras/the-science-of-scratch-offs-what-your-brain-cant-resist-o2sdiz/
- Published: 2025-07-07T16:15:58.000Z
- Updated: 2025-07-07T16:30:12.000Z
- Description: You probably won’t win big playing the Lottery but your brain may want to keep trying.
- Author: Cascade PBS Staff
- Tags: NOVA, #ZZZ_Show_8f1ff589-6222-4260-acbf-0523a6424abf, #v1.6, #ZZZ_Extra_aac70563-2b13-44f7-a3ce-3952c53e9db7, #extra

Scratch-off tickets are big money for state-run lotteries. Is it the promise of winning big that keeps players in the game? Or is there something else happening in the brain?