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.
Effects of LSD on the Addiction Research Inventory (ARCI) amphetamine scale (A), MBG euphoria scale (B), LSD scale (C) and the Profile of Mood States (POMS) Vigor scale (D). Bars depict peak change scores ± SEM for Sessions 1–4. Significance between 26 μg and placebo, *p < 0.05, **p < 0.001. Significance between 26 and 13 μg, #p < 0.05
