Although the evidence is still limited, a growing body of research suggests music may have beneficial effects for diseases such as Parkinson’s.
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Similarity scores and terminal dates (in years before present) for 12 New World language families
Group | Similarity score | Campbell date | Swadesh date | ASJP date |
Uto-Aztecan | 6.15 | 5000 | 4900 | 4118 |
Athapaskan-Eyak | 5.70 | 3500 | 4234 | |
Mixtecan | 5.10 | 4900 | 4402 | |
Chibchan | 4.84 | 5600 | 5000 | 4484 |
Caddoan | 4.08 | 3500 | 4743 | |
Eskimo-Aleut | 3.31 | 4000 | 3700 | 5059 |
Algic | 2.47 | 7200 | 5506 | |
Witotoan | 2.15 | 5717 | ||
Iroquoian | 1.53 | 3400 | 6232 | |
Siouan-Catawba | 1.27 | 4000 | 6523 | |
Ge | 1.02 | 4600 | 6856 | |
Otomanguean | 0.70 | 6400 | 7418 |