Monti, J. M.&Monti, D. 'The involvement of dopamine in the modulation of sleep and waking'. Sleep Medicine Reviews, 11, 113–33 (2007).

Grace, A. A.&Bunney, B. S. 'The control of firing pattern in nigral dopamine neurons: burst firing'. Journal of Neuroscience, 4, 2877–90 (1984). Grace, A. A.&Bunney, B. S. 'The control of firing pattern in nigral dopamine neurons: single spike firing'. Journal of Neuroscience, 4, 2866–76 (1984).