Genital asymmetry in men |
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Authors: | Bogaert AF |
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Affiliation: | Clarke Institute of Psychiatry, Toronto, Canada. |
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Abstract: | This study examined genital asymmetry in a large sample of men. The
probands were 6544 non-delinquent men who were interviewed by the Kinsey
Institute for Research in Sex, Gender and Reproduction from 1938 to 1963.
The measures were four indicators of penile and scrotal asymmetry, along
with self-reported handedness, from Kinsey's interview protocol. Most men
reported some degree of lateral asymmetry in their flaccid penis and in
their testicles; less asymmetry was reported for their erect penis. The
asymmetry typically occurred in the left direction, and this pattern
occurred in both right- and nonright- handers. However, this 'leftward'
pattern was significantly less pronounced in nonright-handers. The results
are discussed in relation to previous findings of genital asymmetry in men,
the possible relationship of genital asymmetry to functional cerebral
asymmetry, and recent data suggesting genital asymmetry may predict
patterns of cognitive performance and genital/sexual organ cancers.
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