Musical Predictions : The Frontal Cortex

Musical Predictions : The Frontal Cortex

The act of listening, it turns out, is really an act of neural prediction.

The model essentially demonstrated that statistical predictions based on our personal listening experience - because I listen to Bruce Springsteen, I'm able to predict the melodies of John Mellencamp - was much better at simulating the mind than a rule-based model, in which our expectations are fixed and inflexible.

music hijacks some very fundamental neural mechanisms. The brain is designed to learn by association: if this, then that. Music works by subtly toying with our expected associations, enticing us to make predictions about what note will come next, and then confronting us with our prediction errors. In other words, every melody manipulates the same essential mechanisms we use to make sense of reality.

music requires surprise, the dissonance of "low-probability notes". While most people think about music in terms of aesthetic beauty - we like pretty consonant pitches arranged in pretty patterns - that's exactly backwards. The point of the prettiness is to set up the surprise, to frame the deviance.

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