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.
SCR results. The graph shows the mean SCR values, expressed in Z-scores, in Pain Group. Significant effect of condition (CS-; CS+ Unpaired; CS+ Paired). Error bars indicate sem. Asterisk indicates a significant comparison (*P < 0.05; **P < 0.005; ***P < 0.0005).
