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Adam’s Apple Signals Deep Voice, Dominance, Human Pitch Gap

7/6/2026

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Summary

Story summary

The Adam’s apple is the edge of thyroid cartilage that appears in males during puberty, documented by a 1999 Acoustical Society of America study.
Researchers link the longer larynx to deeper pitch, a trait cultures associate with more dominant individuals.
A 2016 Royal Society B study and a 2022 Frontiers in Psychology review found humans have greatest pitch dimorphism among primates and formant frequencies predict body size better than pitch.

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Story summary

The Adam’s apple is the edge of thyroid cartilage that appears in males during puberty, documented by a 1999 Acoustical Society of America study.
Researchers link the longer larynx to deeper pitch, a trait cultures associate with more dominant individuals.
A 2016 Royal Society B study and a 2022 Frontiers in Psychology review found humans have greatest pitch dimorphism among primates and formant frequencies predict body size better than pitch.