Related Experiment Video
Updated: Jun 27, 2026
Rapid In Situ Hybridization using Oligonucleotide Probes on Paraformaldehyde-prefixed Brain of Rats with Serotonin Syndrome
Published on: September 23, 2015
Effects on rat sexual behaviour of acute MDMA (ecstasy) alone or in combination with loud music
R Cagiano1, I Bera, R Sabatini
1Department of Pharmacology and Human Physiology, Faculty of Medicine, University of Bari, Bari, Italy. r.cagiano@farmacol.uniba.it
Abstract:
The effects on sexual behaviour of acute low doses of methylendioxymethamphetamine (MDMA) (0.3, 1, 3 mg/kg/i.p.), alone or in combination with exposure to loud music (1 h stimulation), were investigated in Wistar rats. Results indicate that acute MDMA, at dose of 3 mg/kg, notably impaired copulatory behavior of sexually experienced male rats. In particular, MDMA-exposed animals exhibited a significant increase in intromission and ejaculation latencies as well as a significant decrease in percentage of rats displaying copulatory activity (one intromission at least). Surprisingly, one hour exposure to loud music, which per se resulted ineffective, antagonized the suppressive effect of MDMA by increasing the percent of animals displaying sexual activity. However, combined treatment of MDMA and music stimulation did not fully restore normal sexual behavior as the animals reaching ejaculation still showed a marked reduction of copulatory efficiency. These findings demonstrate that the systemic administration of a single low dose of MDMA, alone or in combination with loud music, which is commonly present in certain environments such as rave parties, notably impairs copulatory activity of male rats.
Insights
Methylendioxymethamphetamine (MDMA) impairs rat sexual behavior, increasing latency and reducing activity. Loud music partially counteracted these effects but did not fully restore sexual function in male rats.
Area of Science:
- Neuroscience
- Pharmacology
- Behavioral Science
Background:
- Methylendioxymethamphetamine (MDMA) is a recreational drug often associated with environments like rave parties.
- The impact of MDMA on sexual behavior, particularly in conjunction with environmental stimuli, requires further investigation.
Purpose of the Study:
- To investigate the effects of acute low doses of MDMA on the copulatory behavior of male Wistar rats.
- To examine the influence of loud music exposure on MDMA-induced changes in sexual behavior.
Main Methods:
- Wistar rats were administered acute low doses of MDMA (0.3, 1, 3 mg/kg).
- Rats were exposed to loud music for 1 hour, alone or in combination with MDMA.
- Copulatory behavior, including intromission and ejaculation latencies and activity, was assessed.
Main Results:
- MDMA at 3 mg/kg significantly impaired copulatory behavior, increasing latencies and decreasing activity.
- Loud music exposure alone was ineffective but partially antagonized MDMA's suppressive effects.
- Combined MDMA and music treatment did not fully restore normal sexual behavior, with reduced copulatory efficiency observed.
Conclusions:
- Acute low-dose MDMA administration significantly impairs male rat sexual behavior.
- Loud music can partially counteract MDMA's negative effects on sexual activity, but does not fully normalize function.
- These findings highlight the complex interactions between MDMA, environmental stimuli, and sexual function.
Related Concept Videos
01:22CNS Stimulants: Psychedelic Agents
01:27Hallucinogens and Psychedelics
Marijuana, derived from the dried leaves and flowers of the hemp plant, contains delta-9-tetrahydrocannabinol (THC)...