RT Journal Article SR Electronic T1 Extracellular Signal-Related Kinase Activation During Natural Reward Learning: A Physiological Role for Phasic Nucleus Accumbens Dopamine? JF The Journal of Neuroscience JO J. Neurosci. FD Society for Neuroscience SP 4295 OP 4297 DO 10.1523/JNEUROSCI.0776-08.2008 VO 28 IS 17 A1 Day, Jeremy J. YR 2008 UL http://www.jneurosci.org/content/28/17/4295.abstract AB