Contains 2 data sets: distance matrix of fMRI scans of participants viewing categories of items and distance matrix of the actual pixels from the images in each category.
data(jocn.2005.fmri)jocn.2005.fmri$images$data: A distance matrix of 6 categories of images based on a pixel analysis. jocn.2005.fmri$scans$data: A distance matrix of 6 categories of images based on fMRI scans.
O'Toole, A. J., Jiang, F., Abdi, H., and Haxby, J. V. (2005). Partially distributed representations of objects and faces in ventral temporal cortex. Journal of Cognitive Neuroscience, 17(4), 580-590. Haxby, J. V., Gobbini, M. I., Furey, M. L., Ishai, A., Schouten, J. L., and Pietrini, P. (2001). Distributed and overlapping representation of faces and objects in ventral temporal cortex. Science, 293, 2425-2430.
http://openfmri.org/dataset/ds000105