TY - JOUR T1 - Why did the kitten cross the road? A meditation on positive versus negative reinforcement in addiction JF - Journal of Psychiatry and Neuroscience JO - JPN SP - E184 LP - E185 DO - 10.1503/jpn.210004 VL - 46 IS - 1 AU - Marco Leyton Y1 - 2021/01/01 UR - http://jpn.ca/content/46/1/E184.abstract ER -