10 Medical apparatus and instruments, namely, neurological instruments and apparatus for use in acoustic, electric, visual, vibro-tactile, brain stimulation all for the treatment of neurological disorders; electro-medical and biomedical apparatus for neurological applications, namely, electro-medical and biomedical apparatus for use in acoustic, electric, visual, and vibro-tactile stimulation, all for the treatment of neurological disorders; medical apparatus for the direct and indirect modulation and stimulation of nerve cells, namely, external nerve stimulators, and tactile, visual, auditory nerve stimulators; electrical stimulation apparatus for nerves, namely, nerve stimulation wires and electrodes for the treatment of neurological disorders.