A system for transcranial stimulation of a subject includes an electrode arrangement including a plurality of electrodes coupled to at least one electrode drive arrangement, wherein the plurality of electrodes are operable to contact onto skin of the subject, for example a head region of the subject, wherein at least one electrode includes a plurality of electrode elements which are operable in combination to deliver a current of their corresponding at least one electrode to the subject, and wherein the at least one electrode drive arrangement is arranged to excite and/or monitor in operation the electrode elements in an individually controlled and/or monitored manner, and the at least one electrode drive arrangement is operable substantially to even out current distribution between the plurality of electrode elements of the at least one electrode when in contact onto skin of the head region of the subject.
