Thank you for your interest in using the perceptual decision making EEG/fMRI data set. Because the data were donated by human participants, ethical considerations require some limitations on the access and reuse of the data. To obtain data access, please review this agreement, fill out and provide your signature, and send a copy of the filled out and signed agreement to dirk.ostwald@ovgu.de from your institutional email address. Upon approval of your request, you will be added as collaborator to the private Open Science Framework project hosting the data set and can download the data.