11/24/2023 0 Comments Youtbe auditory illusions![]() In a 2008 study by Deutsch and colleagues, 31 participants were asked to repeat the stimulus themselves. Why is repetition so important here? There are measurable differences in how verbal stimuli sound when played once versus on repeat. ![]() For example, in one 2015 study, English speakers most easily heard spoken Irish as song, followed by Hindi and Croatian. The effect is most intense when the repeated stimulus is in a language that is very different phonologically from the listener’s native language. This illusion happens with all sorts of spoken stimuli that are played at regular intervals. (You can hear a loop of the recording online.)Īs it turns out, the illusion does not stem from Deutsch’s voice being especially musical. She was reviewing a longer recording of herself and found that the seemingly random phrase sometimes behave so strangely, clipped out of context and left on repeat, began to sound like a song, complete with rhythm and melody. In 1995, Diana Deutsch, an expert on musical illusions and paradoxes, coined the term speech-to-song illusion. Instead, let’s focus on what linguists like me call prosody, or the intonation, stress, and rhythm of individual syllables. Not vowels and consonants–that’s too far. To understand why people sometimes hear uttered phrases as melodies, let’s first break down language to its auditory elements. In Head Trip, PopSci explores the relationship between our brains, our senses, and the strange things that happen in between.ĬAN YOU TELL when you’ve suddenly and accidentally broken into song? When you say, “I don’t know,” does it sound like a melody that you can hum? Why does a spoken word, when repeated over and over, begin to sound musical?
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