An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Emotional sentence (angry, sad, and happy) residual reading times (controlling for sentence length, in milliseconds) before (1st session) and after (2nd session) BTX injection in corrugator muscle. Error bars indicate +/- 1 s.e.m. Significant comparisons are indicated with an asterisk.