Sex 102: Understanding the Male Sexual Response

Overview

The male sexual response involves a complex interaction between the brain, hormones, blood vessels, and nerves. While physical stimulation plays a key role, emotional connection, confidence, and hormonal balance are equally important. Understanding this physiology helps men—and their partners—recognize how to maintain optimal function and satisfaction throughout life.

The Four Stages of the Male Sexual Response Cycle

Based on the foundational research of Masters and Johnson, the male sexual cycle can be divided into four key stages:

  1. Excitement (Arousal):
     Triggered by mental, visual, or physical stimulation. The brain releases neurotransmitters that increase blood flow to the penis, causing erection.
  2. Plateau:
     Sustained arousal where muscle tension, heart rate, and blood pressure rise. Sexual stimulation intensifies, preparing the body for orgasm.
  3. Orgasm:
     Involuntary contractions of the pelvic muscles, increased heart rate, and release of semen through rhythmic ejaculation.
  4. Resolution (Refractory Period):
     Unlike women, men enter a refractory phase where it is temporarily impossible to achieve another erection or orgasm. This period lengthens with age or hormonal decline.

Physiology of Arousal

  • The process begins in the brain—mental stimulation activates neural pathways that signal blood vessels in the penis to dilate.
  • Nitric oxide release allows smooth muscles to relax, increasing blood inflow into the corpora cavernosa (erectile chambers).
  • Proper testosterone levels are essential for libido, energy, and sexual function.
  • Disruption in vascular health, nerve signaling, or hormonal balance can lead to erectile dysfunction (ED) or diminished desire.

Factors Affecting Male Sexual Function

  • Age-related hormonal decline
  • Stress and anxiety
  • Cardiovascular disease or diabetes
  • Pelvic nerve injury or prostate surgery
  • Lifestyle factors such as smoking, alcohol, or poor sleep
  • Decline in testosterone or other key hormones

Modern Treatments Supporting Male Sexual Wellness

P-Shot® (Priapus Shot®)

A revolutionary, non-surgical treatment using Platelet-Rich Plasma (PRP) derived from the patient’s own blood.
 Benefits include:

  • Enhanced blood flow and erection strength
  • Increased size and sensitivity
  • Improved stamina and performance
  • Natural tissue rejuvenation and penile health
  • Works synergistically with other therapies such as BHRT

Bio-Identical Hormone Replacement Therapy (BHRT)

Optimizing testosterone and related hormone levels can dramatically improve:

  • Libido and energy
  • Mental clarity and focus
  • Muscle strength and body composition
  • Erectile function and orgasmic intensity

BTL Emsella® for Pelvic Floor Strength and Sexual Function

BTL Emsella® is a groundbreaking, non-invasive technology that strengthens the pelvic floor muscles through high-intensity focused electromagnetic energy (HIFEM).
In a single 28-minute session, the treatment delivers the equivalent of over 11,000 Kegel exercises—all performed while you remain fully clothed.

For men, improved pelvic floor strength enhances erectile rigidity, stamina, and control, while also reducing urinary leakage or post-void dribbling.
By increasing blood flow and neuromuscular coordination, BTL Emsella® can help improve overall sexual performance and confidence.

When combined with P-Shot® or Bio-Identical Hormone Replacement Therapy (BHRT), Emsella provides a powerful, integrative approach to restoring sexual health, optimizing function, and supporting long-term vitality.Integrative Sexual Medicine for Men

At the Center for Sexual Medicine & Laser Vaginal Rejuvenation Institute of New York, Dr. Robert A. Jason provides comprehensive, science-based solutions for men seeking to restore vitality, performance, and confidence—combining regenerative therapies like the P-Shot®, BHRT, and other evidence-backed treatments for long-term wellness.

Patients travel from across the U.S. and over 23 countries to receive expert care at our offices in Manhattan and Lake Success, Long Island.

A Natural Alternative to Cialis®, Viagra®, and Trimix®

For men who prefer a natural, regenerative approach to improving sexual performance, modern medicine now offers effective solutions without relying on daily pills or injections.

Treatments such as the P-Shot® (Priapus Shot®), BTL Emsella®, and Bio-Identical Hormone Replacement Therapy (BHRT) work with your body’s own biology—stimulating natural blood flow, rebuilding vascular tissue, and restoring hormonal balance.

These therapies help:

  • Improve erectile strength and rigidity naturally
  • Increase blood circulation and sensitivity
  • Support healthy testosterone levels
  • Enhance stamina and recovery time
  • Promote long-term sexual wellness without dependence on medication

Unlike temporary pharmaceutical aids, these regenerative treatments address the root causes of erectile dysfunction—such as poor circulation, weakened pelvic muscles, or hormonal decline—helping men achieve lasting, spontaneous performance and confidence.

At the Center for Sexual Medicine & Laser Vaginal Rejuvenation Institute of New York, our non-drug, non-surgical options are ideal for men seeking safe, natural ways to enhance their sexual health and vitality.