Vital Signs meets Dr. Laura Ann-Petitto who has spent four decades researching speech and language. Dr. Sanjay Gupta reports.

Neuroscientist’s quest to understand language
Sep 14, 2015 | 4:34 PM

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Question of the Day
Over a third of adults say in a recent survey that they know how their day will be within the first 10 minutes of the start of it. True for you?
Yes, pretty much.
No, takes longer than that to know how the day will be.
Voting Ends: Jul 8, 2025 | 6:10 PM