It can spring to life patients with severe dementia:
The Week rounds up research associated with the wildly popular video:
"Music imprints itself on the brain deeper than any other human experience," says renowned neurologist Oliver Sacks, who appears in the film. Pairing music with everyday tasks such as having a brief chat or taking medicine can help patients develop a rhythm they can use later to recall the memory of that conversation or medicine. But it's not just patterns and rhythms — music also taps into the brain's emotional centers. "Music evokes emotion, and emotion can bring with it memory… it brings back the feeling of life when nothing else can," says Sacks.