Figure 1.
Treatment groups A) Standard Control (CONT) B) Environmental Enrichment (EE) C) Running (RUN) D) Environmental Enrichment and Running (EE+RUN).
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.