These Auditory Illusions Are Absolutely Bewildering

The latest installment of AsapSCIENCE opens with a demonstration of the McGurk Effect, a powerful auditory illusion that demonstrates how what we see influences what we hear. But even more baffling is the Shepard tone illusion – a sort of sonic barber's pole that seems to continually ascend in pitch, without actually… » 5/29/14 4:16pm 5/29/14 4:16pm