Susannah E. Murphy, Carlo Longhitano, Rachael E. Ayres, Philip J. Cowen, Catherine J. Harmer, Robert D. Rogers. The Role of Serotonin in Nonnormative Risky Choice: The Effects of Tryptophan Supplements on the "Reflection Effect" in Healthy Adult Volunteers. J. Cognitive Neuroscience, 21(9):1709-1719, 2009. [doi]
Abstract is missing.