There is an emerging body of literature on this. Lakhan is a decent but outdated review.
Arria, A. M., et al. (2017). "Do college students improve their grades by using prescription stimulants nonmedically?" Addict Behav 65: 245-249
Lakhan, S. E. and A. Kirchgessner (2012). "Prescription stimulants in individuals with and without attention deficit hyperactivity disorder: misuse, cognitive impact, and adverse effects." Brain and behavior 2(5): 661-677.
Weyandt, L. L., et al. (2018). "Neurocognitive, Autonomic, and Mood Effects of Adderall: A Pilot Study of Healthy College Students." Pharmacy (Basel) 6(3).