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Spectral Characteristics of the Voices of Twins1

Published online by Cambridge University Press:  01 August 2014

M. Alpert ,
R. L. Kurtzberg ,
M. Pilot  and
A. J. Friedhoff
M. Alpert
Affiliation:
Research Unit. Dept. of Psychiatry & Neurology, New York University School of Medicine, New York City (U.S.A.) Dept. of Psychiatry, Yale University School of Medicine, New Haven, Conn. (U.S.A.)
R. L. Kurtzberg
Affiliation:
Research Unit. Dept. of Psychiatry & Neurology, New York University School of Medicine, New York City (U.S.A.) Dept. of Psychiatry, Yale University School of Medicine, New Haven, Conn. (U.S.A.)
M. Pilot
Affiliation:
Research Unit. Dept. of Psychiatry & Neurology, New York University School of Medicine, New York City (U.S.A.) Dept. of Psychiatry, Yale University School of Medicine, New Haven, Conn. (U.S.A.)
A. J. Friedhoff
Affiliation:
Research Unit. Dept. of Psychiatry & Neurology, New York University School of Medicine, New York City (U.S.A.) Dept. of Psychiatry, Yale University School of Medicine, New Haven, Conn. (U.S.A.)

Summary

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A study is described in which the spectral similarities in the voices of monozygotic, dizygotic and non-twin controls is compared. The results are based on a statistical comparison of the differences between pairs of individuals at a number of spectral points. The data are interpreted as showing that monozygotic twins are more similar in the higher but not the lower spectral ranges. It is suggested that the lower frequencies are more sensitive to transitory factors while the higher frequencies are more likely to reflect anatomic similarity.

Type
Research Article
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 12 , Issue 4 , October 1963 , pp. 335 - 341
Copyright
Copyright © The International Society for Twin Studies 1963

Footnotes

1

This research was supported by U. S. P. H. S. Research Career Development Award MH-K3-14,0,24 to Dr. Friedhoff and U. S. P. H. S. Grant MH-04664.

References

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