Neurochemical and behavioural indices of exercise reward are independent of exercise controllability.
Herrera JJ, Fedynska S, Ghasem PR, Wieman T, Clark PJ, Gray N, Loetz E, Campeau S, Fleshner M, Greenwood BN. Neurochemical and behavioural indices of exercise reward are independent of exercise controllability. Eur J Neurosci. 2016 05; 43(9):1190-202.