Table 1 Demographics of study participants.
From: Inter-individual variability in neural response to low doses of LSD
Placebo (N = 24) | LSD (N = 23) | |
---|---|---|
Sex (male/female) | 12 / 12 | 12 / 11 |
Mean age ± SD (min-max) | 36.3 ± 18.2 (18–64) | 35.9 ± 14.4 (21–63) |
Educational levela | ||
Higher education | 16 | 14 |
Vocational/secondary education | 8 | 9 |
Prior experience with psychedelicsa | ||
2-CB | 1 | 0 |
Ayahuasca | 2 | 1 |
DMT | 1 | 0 |
Ketamine | 1 | 3 |
LSD | 5 | 6 |
Psilocybin | 12 | 8 |
Khat | 0 | 1 |
XTC (MDMA) | 5 | 8 |
No prior experience with psychedelics | 11 | 14 |