Method and apparatus for infrared-light nerve stimulation-plus-therapeutic-heat (INS-plus-TH) that includes providing a plurality of light sources providing a plurality of thermally conductive extensions configured to transfer heat generated by the plurality of light sources away from the plurality of light sources emitting a plurality of infrared-light nerve-stimulation signals toward neural tissue of an animal from the plurality of light sources, wherein the emitted infrared-light nerve-stimulation signals are configured to generate action potentials in the neural tissue, and wherein the emitting of the plurality of infrared-light nerve-stimulation signals includes generating heat controlling the emitting of the plurality of infrared-light nerve-stimulation signals to generate action potentials in the neural tissue and transferring the heat generated by the plurality of light sources during the emitting of the plurality of infrared-light nerve-stimulation signals away from the plurality of light sources and into surrounding tissue of the animal using the plurality of thermally conductive extensions.