Cho, Raymond Y., Leigh Erik Nystrom, Eric T. Brown, Andrew D. Jones, Todd S. Braver, Philip J. Holmes, and Jonathan D. Cohen. 2002. “Mechanisms Underlying Dependencies of Performance on Stimulus History in a Two-Alternative Forced-Choice Task”. Cognitive, Affective, & Behavioral Neuroscience 2: 283–299. doi:10.3758/cabn.2.4.283.

Jones, Andrew D., Raymond Y. Cho, Leigh Erik Nystrom, Jonathan D. Cohen, and Todd S. Braver. 2002. “A Computational Model of Anterior Cingulate Function in Speeded Response Tasks: Effects of Frequency, Sequence, and Conflict”. Cognitive, Affective, & Behavioral Neuroscience 2: 300–317. doi:10.3758/cabn.2.4.300.