Elisabeth A. T. Evers, Frederik M. van der Veen, Jelle Jolles, Nicolaas E. P. Deutz, Jeroen A. J. Schmitt. Acute tryptophan depletion improves performance and modulates the BOLD response during a Stroop task in healthy females. NeuroImage, 32(1):248-255, 2006. [doi]
Abstract is missing.