New Gov’t Funded Study Finds Smaller Volume in Areas of Marijuana Users’ Brains

The results of a new study published in the journal Psychopharmacology show that marijuana users have smaller volumes in areas of the brain responsible for executive functions, including decision-making, reward processing, and emotional regulation.  The National Institute on Drug Abuse (NIDA) funded the study.

Jenessa S. Price (1) Tim McQueeny (2) Skyler Shollenbarger (3) Erin L. Browning (3) Jon Wieser (3) Krista M. Lisdahl (3)

1. Department of Psychiatry, Harvard Medical School-McLean Hospital, Belmont, MA USA

 2. Department of Psychology, University of Cincinnati, Cincinnati, OH, USA

3. Department of Psychology, University of Wisconsin–Milwaukee, Milwaukee, WI, USA

Read the research article