Participants
first-degree
DISORDERS
Thirty-two healthy participants (16 men and 16 women; mean age ± SD: 29 ± 4 years; range: 25–44 years) were recruited from a pool of volunteers who had contacted our research group with interest in participating in a trial that investigates psychedelics. All participants provided written informed consent and received payment for their participation. Exclusion criteria comprised age < 25 years or > 65 years, pregnancy and/or breastfeeding, personal or family (first-degree relative) history of major psychiatric disorders (assessed by the Semi-structured Clinical Interview for 