Behavioral Neuroscience Involvement of the Ventral Tegmental Area but Not Periaqueductal Gray Matter in the Paradoxical Rewarding and Aversive Effects of Morphine Chi-Wen Wu, Chen Yin Ou, Ying Hao Yu, Yi Chun Yu, Bai Chuang Shyu, and Andrew Chih Wei Huang Online First Publication, July 29, 2021. http://dx.doi.org/10.1037/bne0000483 CITATION Wu, C.-W., Ou, C. Y., Yu, Y. H., Yu, Y. C., Shyu, B. C., & Huang, A. C. W. (2021, July 29). Involvement of the Ventral Tegmental Area but Not Periaqueductal Gray Matter in the Paradoxical Rewarding and Aversive Effects of Morphine. Behavioral Neuroscience. Advance online publication. http://dx.doi.org/10.1037/bne0000483