Precisely the same group also done a finger-tapping control issue—in which they have been instructed to carry out sluggish-paced button pressing over a 4-button keypad. Mantras, that are Sanskrit syllables inscribed on yantras, are important "imagined forms" that characterize divinities or cosmic powers and exert their affect by audio vibrations. https://www.youtube.com/@Mahavidyabaglamukhi