We know that tactile sensitivity can be improved with repetitive sensory stimulation. But learning success varies. By applying neurofeedback before learning, we could boost learning success:
Brickwedde, M., Krüger, M. & Dinse, H. R. (2019). Somatosensory alpha oscillations gate perceptual learning efficiency. Nature Communications 10(263). https://doi.org/10.1038/s41467-018-08012-0