Shepard Tone - Established by psychologist Roger Shepard at Bell Labs, this illusion consists of a list of tones that appear to perpetually rise or drop. The illusion is established by super-positioning pure tones (sine waves) an octave aside. In contrast to hallucinations, which are sensory activities within the https://homeworld-305050.blogminds.com/5-easy-facts-about-illusion-of-kundun-mu-online-described-32746099