The invention relates to an optical stimulation device for stimulating nerve cells, wherein the stimulation device has at least one implant component, which is designed for implanting in a natural inner cavity of the body of a living being, through which cavity a bodily fluid flows, having the following features: a) the implant component has at least one supporting structure, which can be expanded in a radial direction for fastening in the natural inner cavity. b) a plurality of light sources is fastened to the supporting structure, which light sources are designed to emit light in the radial direction with respect to the supporting structure, c) a plurality or electrodes is fastened to the supporting structure, which electrodes are designed to capture electrical body signals, d) the supporting structure has a plurality of openings and/or channels, through which the bodily fluid can flow after implantation in the body. The invention further relates to a method for programming the parameter memory of a stimulation device.
