Download Constrained Principal Component Analysis (fMRI-CPCA) software for multivariate analysis of fMRI data.
Sanford, N., Whitman, J.C. & Woodward, T.S. (2020). Task-Merging for finer separation of functional brain networks in working memory. Cortex, 125, 246-271.
doi: 10.1016/j.cortex.2019.12.014. PDF
Woodward, T.S., Feredoes, E., Metzak, P.D., Takane, Y., & Manoach, D.S. (2013). Epoch-specific functional networks involved in working memory. NeuroImage, 65: 529-539. PDF
Metzak, P.D., Riley, J., Wang, L., Whitman, J.C., Ngan, E.T.C. & Woodward, T.S. (2012). Decreased efficiency of task-positive and task-negative networks during working memory in schizophrenia. Schizophrenia Bulletin. 38(4), 803-813. PDF
Metzak, P.D., Feredoes, E., Takane Y., Wang, L., Weinstein, S., Cairo, T., Ngan, E.T.C, & Woodward, T. S. (2011). Constrained principal component analysis reveals functionally connected load-dependent networks involved in multiple stages of working memory. Human Brain Mapping, 32(6), 856-871. PDF
Woodward, T. S., Cairo, T. A., Ruff, C. C., Takane, Y., Hunter, M.A. & Ngan, E.T.C. (2006). Functional connectivity reveals load dependent neural systems underlying encoding and maintenance in verbal working memory. Neuroscience, 139(1), 317-325. PDF
Cairo, T. A., Woodward, T. S. & Ngan, E.T.C. (2006). Decreased encoding efficiency in schizophrenia. Biological Psychiatry, 59(8), 740-746. PDF
Tipper, C., Cairo, T. A., Woodward, T. S., Phillips, A. G., Liddle, P. F. & Ngan, E. T. C. (2005). Processing efficiency of a verbal working memory system is modulated by amphetamine: An fMRI investigation. Neuropsychopharmacology, 180(4), 634-643. PDF
Cairo, T. A., Liddle, P. F., Woodward, T. S. & Ngan, E. T. C. (2004). The influence of working memory load on phase specific patterns of cortical activity. Cognitive Brain Research, 21, 377-387. PDF