Music And lyrics: How The Brain Splits Songs

When tunes and lyrics diverge

From The New Scientist:

Your favourite song comes on the radio. You hum the tune; the lyrics remind you of someone you know. Is your brain processing the words and music separately or as one? It's a hotly debated question that may finally have an answer.

People with aphasia, who can't speak, can still hum a tune, suggesting music and lyrics are processed separately. Yet brain scans show that music and language activate the same areas, which might mean the brain treats them as one signal.

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