# EEG reveals brain can process two speech streams at once

Researchers using EEG scans found that the human brain can simultaneously encode two separate speech streams. This challenges previous assumptions about limited auditory processing capacity. The finding could inform the development of hearing aids and improve understanding of attention and multitasking in noisy environments.

**Importance:** 3/5

## Sources

### Technology
- [Hacker News](https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3003876) — Fri, 17 Jul 2026 05:51:10 +0000