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A method used to measure arousal or ejaculatory reflexes.
Masturbation is discussed in the urology literature as a low-cost, low-risk way to stimulate penile blood flow and may be used alongside standard penile rehabilitation after prostate surgery, but form...
Laboratory measurement of female orgasm latency uses a mix of stopwatch-timed behavioral methods, physiological sensors (vaginal blood flow/photoplethysmography), self-report scales and questionnaires...
Objective physiological markers that cluster around female orgasm include rhythmic increases in pelvic and anal EMG activity, correlated cardiovascular changes (especially systolic blood pressure and ...
Experimental attempts to change penile dimensions during intercourse have ranged from simple external rings that reduce functional penetration depth to mechanical lengthening/support devices and inani...