Introduction.- Neuro-electronic interfacing.- Culturing neuronal cells.- Positioning and culturing neuronal cells on a micro-electrode array.- Dielectrophoresis.- Scope of this review.- Dielectrophoretic trapping of neuronal cells.- Theory.-Materials.-Theoretical description of dielectrophoretic trapping.- Experimental description of dielectrophoretic trapping.- Exposing neuronal cells to electric fields.- Theory.- Theoretical investigation of induced membrane potentials of neuronal cells.- Experimental investigation of neuronal membrane breakdown.- Investigating viability of dielectrophoretically trapped neuronal cells.- Viability of neuronal cells trapped at a high frequency.- Viability of neuronal cells trapped at low frequencies.- Recording neuronal activity.- Summary.- References.- Subject Index.