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Aging and sexual function in men

D L Rowland1, W J Greenleaf, L J Dorfman

  • 1Department of Psychology, Valparaiso University, Indiana 46383.

Archives of Sexual Behavior
|December 1, 1993
PubMed
Summary
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Male sexual function declines with age, linked to sensory/neural and autonomic changes. Erectile response and sexual activity frequency decrease, but overall sex life ratings remain stable.

Area of Science:

  • Urology
  • Gerontology
  • Neuroscience

Background:

  • Erectile capacity often declines in aging men.
  • Understanding the underlying sensory/neural and autonomic factors is crucial.

Purpose of the Study:

  • To investigate age-related changes in male sexual function.
  • To identify sensory/neural and autonomic factors associated with erectile decline.

Main Methods:

  • Assessed 39 healthy men (ages 21-82) on sexual activity, erectile response to erotica, penile sensitivity (electrical, vibrotactile), pudendal somatosensory evoked potentials, penile autonomic response to ischemia, and testosterone levels.

Main Results:

  • Significant age-related decreases observed in sexual activity frequency and erectile response to erotica.

Related Experiment Videos

  • Penile sensitivity, autonomic response to ischemia, and somatosensory evoked potentials showed age-related changes.
  • No significant age-related changes in self-reported erectile capacity, overall sex life ratings, or testosterone levels.

    • Conclusions:

    • Decreasing erectile capacity in aging men is associated with diminished sensory/neural and autonomic functioning.
    • Factors beyond sexual response frequency and potency influence overall satisfaction with sex life in older men.