Linden, D., Bittner, R., Muckli, L., Waltz, J., Kriegeskorte, N., Goebel, R., et al. (2003).
Cortical capacity constraints for visual working memory: dissociation of fMRI load effects in a fronto-parietal network. NeuroImage, 20(3), 1518-1530. doi:10.1016/j.neuroimage.2003.07.021.