| 1. | The size of the hypoglossal canal is not a reliable indicator of speech.
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| 2. | Their hypoglossal canals fell within the range of those of modern Homo sapiens.
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| 3. | The Duke scientists directed their research at the hypoglossal canal in all primates.
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| 4. | The size of the hypoglossal canal does not reflect vocal capabilities or language usage.
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| 5. | Neurological evidence for potential speech in " neanderthalensis " may exist in the form of the hypoglossal canal.
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| 6. | The tubular bones at the base of the brain _ no thicker than pencils _ are called hypoglossal canals.
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| 7. | The diameter of its hypoglossal canal was almost identical to those found in several species of chimpanzees and gorillas.
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| 8. | The Duke researchers had argued that a larger hole, or hypoglossal canal, meant larger nerves and more complex tongue function.
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| 9. | The hole is the hypoglossal canal through which nerve fibers from the brain pass to control muscles of the tongue.
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| 10. | But " many nonhuman primate specimens have hypoglossal canal areas that fall within the range of our modern human sample ."
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