January 30, 2026Makaela Weeda, Valeria Gazzola, Christian Keysers et al.
preprint
Besides its widespread recreational use, MDMA attracted the attention of many researchers and clinicians for its therapeutic potential for various mental disorders. Although recent clinical studies yielded promising results, MDMA has not been approved for medical use, partially due to the lack of clear insight into its neurobiological effects. In fact, although some suggest that MDMA’s...
MDMA (3,4-methylenedioxymethamphetamine) is a psychoactive drug with powerful prosocial effects. While MDMA is sometimes termed an "empathogen," empirical studies have struggled to clearly demonstrate these effects or pinpoint underlying mechanisms. Here, we paired the social transfer of pain and analgesia-behavioral tests modeling empathy in mice-with region-specific neuropharmacology,...
Ketamine was developed in the early 1960s as an anesthetic and has been used for medical and veterinary procedures since then. Its unique profile of effects has led to its use at subanesthetic doses for a variety of other purposes: it is an effective analgesic and can prevent certain types of pathological pain; it produces schizophrenia-like effects and so is used in both clinical studies and...