Which phase of the sexual response cycle involves initial arousal?

The phase of the sexual response cycle that involves initial arousal is the excitement phase. During this phase, a variety of physiological and psychological changes occur, which can include increased heart rate, elevated blood pressure, and physical responses such as lubrication in females and erection in males. The excitement phase sets the stage for further sexual activity and is characterized by a heightened sense of sexual pleasure and readiness.

Understanding this phase is crucial for marriage and family therapists, as it lies at the foundation of sexual intimacy and can be influenced by many factors, including emotional connection, stress levels, and physical well-being. The excitement phase is essential for partners to communicate effectively about their desires and needs, which can improve overall satisfaction in their sexual relationship.