👉 The term "superglottal" refers to a unique feature of human speech that is not present in other animals, including humans. It occurs when the vocal cords are held together and extended beyond the mouth opening, causing the air to escape from the pharynx into the larynx (voice box). This creates a sudden change in pressure at the opening of the throat, which can cause the voice to "explode" or vibrate dramatically. It is not clear whether this phenomenon is unique