Several articles published near the end of 2011 examined the effects of mephedrone, compared to the similar drugs copyright and amphetamine hinein the nucleus accumbens of rats, as well as examining the reinforcing potential of mephedrone. Dopamine and serotonin were collected using microdialysis, and increases in dopamine and serotonin were measur

[111] Of those who had already used mephedrone prior to the ban, 75% had continued to use it after the ban. Of the various drugs used by the survey participants, users were more likely to have concerns about it.[112] Interviews with users in Northern Ireland also found the price had roughly doubled since it was made illegal, to around £30 a gram.