A system for direct current transcranial stimulation (tDCS) of a subject 100, and method of transcranial stimulation utilizing the system, comprises the provision of an electrode arrangement including a plurality of electrodes 104, 106 coupled to at least one electrode drive arrangement102； wherein the plurality of electrodes are operable to contact onto skin of the subject, for example a head region of the subject, and at least one electrode includes a plurality of electrode elements (C1-C9 and C10-C15, Fig 2) which are operable in combination to deliver a current of their corresponding at least one electrode to the subject. In one embodiment the at least one electrode drive arrangement is arranged to excite the electrode elements in an individually controlled manner and in another embodiment the at least one electrode drive arrangement is arranged to individually monitor the electrode elements in operation.
