• Circumcision;   • Sensation;   • Sexual Arousal;   •
Thermography   Introduction.  Research, theory, and popular
belief all suggest that penile sensation is greater in the
uncircumcised as compared with the circumcised man. However,
research involving direct measurement of penile sensation has
been undertaken only in sexually functional and dysfunctional
groups, and as a correlate of sexual behavior. There are no
reports of penile sensation in sexually aroused subjects, and it
is not known how arousal affects sensation. In principle, this
should be more closely related to actual sexual function.  Aim. 
This study therefore compared genital and nongenital sensation
as a function of sexual arousal in circumcised and uncircumcised
men.  Methods.  Twenty uncircumcised men and an equal number of
age-matched circumcised participants underwent genital and
nongenital sensory testing at baseline and in response to erotic
and control stimulus films. Touch and pain thresholds were
assessed on the penile shaft, the gla