Figure 5.
Meta-analyses on the effects of polyphenols on accuracy of attention (last repetition only) in (A) Choice RT, (B) Digit Vigilance, (C) RVIP tasks.
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.