The Multimodal Imaging Group provides up-to-date imaging technologies and cutting-edge methodological expertise to support the research at the MPI-MR. Imaging modalities include positron emission tomography (PET), magnetic resonance imaging (MRI), and computed tomography (CT). The focus of research activities is on functional imaging, i.e. visualization, localization, and quantification of functional processes in the living organism. In combination with opto- and chemogenetic models that allow for activation of specific neuronal subpopulations we visualize functional networks and identify task- or stimulation-related functional alterations (Fig 1).