Device for positioning electrodes on a user's scalp

A device (1) is described for positioning electrodes on a user's scalp. It comprises a housing (3), for example a headpiece of a headphones device, which can be put around a user's head. An elastic element (11) and a plurality of electrodes are positioned, so that once the housing (3) is put around the user's head, the elastic element (11) at least partly follows the curvature of the user's head. The stress in the elastic element (11) due to stretching thereof caused by putting the housing around the user's head causes the elastic element (11) to exert pressure on at least some of the plurality of electrodes towards the scalp. Hereby, effective contact of the plurality of electrodes to the scalp is facilitated.