Fact · Accessibility and health
25percent of people with ALS
Google reports that about 25 percent of people with ALS first notice slurred speech as their first symptom.
Checked against its source on October 16, 2026
In the source's own words
“about 25% of people with ALS experiencing slurred speech as their first symptom”
Project Euphonia's Personalized Speech Recognition for Non-Standard Speech, Google Research, Google Research blog, 2019, Introduction.
Open the original- What it measures
- Google gives this as background for why speech recognition matters to people with ALS.
- What it does not show
- The post does not name its source for the figure. Check an ALS clinical source before quoting the number as settled.