The tones shift from ear to ear, yet the listener reports one ear hearing only high notes and the other hearing only low notes. The tritone paradox involves a misperception of tone heights. People have difficulty discriminating between members of the same category, even though discriminations can be readily made between members of different categories. In speaking, the VOT is the time before the voiced part of the vowel begins. McGurk effect Occurs when listeners are exposed to one phoneme and simultaneously observe a speaker saying different one.
Listeners report hearing a completely different phoneme that is actually a combination of the two.