Large .mat file (readable from matlab) holding all the fMRI and psychophysical data reported in the manuscript. see readme file for details on how variables are formatted and what information is stored in each of them. ---------NOTE: The original file "alldata.mat" was removed to protect the privacy of study participants in accordance with the agreement under which the data were acquired. A new version of the file is available at https://doi.org/10.5061/dryad.tp24j18.