- Expression pattern in brain of TASK-1, TASK-3, and a tandem pore domain K(+) channel subunit, TASK-5, associated with the central auditory nervous system. Karschin, C., Wischmeyer, E., Preisig-Müller, R., Rajan, S., Derst, C., Grzeschik, K.H., Daut, J., Karschin, A. Mol. Cell. Neurosci. (2001)