D O P A M I N E

Role of walnuts in maintaining brain health with age. 

USDA-Agricultural Research Services, Human Nutrition Research Center on Aging, Tufts University, Boston, MA.

Effects of Nutrients on Neurotransmitter Release 

Institute of Medicine (US) Committee on Military Nutrition Research; Marriott BM, editor. Washington (DC)

Dopamine and the regulation of cognition and attention

Progress in Neurobiology

Frontal and Temporal Dopamine Release during Working Memory and Attention Tasks in Healthy Humans: a Positron Emission Tomography Study Using the High-Affinity Dopamine D2 Receptor Ligand [11C]FLB 457

Journal of Neuroscience 

What motivates gambling behavior? Insight into dopamine's role

Front Behav Neurosci