TY - JOUR A1 - Brand, Ralf A1 - Wolff, Wanja A1 - Ziegler, Matthias T1 - Drugs As Instruments: Describing and Testing a Behavioral Approach to the Study of Neuroenhancement JF - Frontiers in psychology KW - psychoactive drugs KW - non-addictive behavior KW - cognitive enhancement KW - drug instrumentalization KW - user types Y1 - 2016 U6 - https://doi.org/10.3389/fpsyg.2016.01226 SN - 1664-1078 VL - 7 PB - Frontiers Research Foundation CY - Lausanne ER -