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.
A, B, GAP43 mRNA expression in the hippocampus (A) and striatum (B) for young (Y), middle-aged (MA), and aged (A) groups in the four experimental conditions: control + vehicle, control + RA, enriched + vehicle, and enriched + RA in experiment 1. Comparison of two age groups in the same experimental condition, °p < 0.05. Comparison of two groups of the same age, *p < 0.05.
