Effects of Drugs on Responses to Brain and Emotional Processes

Randomized, triple-blind, crossover design with two laboratory sessions 72 hours apart comparing single oral MDMA 1.5 mg/kg to placebo in adults aged 21–40.

Primary aim is basic science: to assess effects of MDMA on responses to affective touch across individuals with varying autistic traits; outcomes include behavioural and neural/emotional process measures.