Sexual desire
Sexual desire is interest in or motivation for sexual activity. Its intensity and timing vary among people and within one person across situations.
Sexual motivation: Motivation directed toward sexual behavior, shaped by biological drives, rewards, learning, and context. Frames desire as one influence on motivation rather than a direct command to act.
Sexual orientation: A pattern of romantic, emotional, or sexual attraction toward people of particular genders, or toward none. Orientation concerns patterns of attraction, not how much desire someone experiences.
Hypoactive sexual desire disorder: A clinical diagnosis involving persistently low sexual desire accompanied by significant distress, under specified diagnostic criteria. Clinical definitions distinguish distressing symptoms from low desire alone.
Dual control model: A model of sexual response in which excitation and inhibition systems jointly influence sexual behavior. It explains variation through competing processes rather than desire as a single drive.
Libido: A term for sexual drive or desire, often used in clinical and psychoanalytic contexts. Often used interchangeably with sexual desire, though its meaning varies by context.
Romantic attraction: A desire for romantic connection with another person, which may occur with or without sexual attraction. Romantic interest and sexual desire can align or diverge.
Sexual desire discrepancy: A difference in the level or timing of sexual desire between partners. A mismatch can matter in relationships without either partner's desire being inherently abnormal.
Sexual fluidity: Changes over time in a person's patterns of sexual attraction, identity, or behavior. Long-term variation raises questions about how desire relates to changing attraction and identity.
Sex hormones: Hormones such as testosterone and estrogen that influence reproductive development and aspects of sexual function. Hormonal changes can alter desire, but they do not determine it alone.
Asexuality: A sexual orientation characterized by experiencing little or no sexual attraction, or experiencing it in particular ways. Demonstrates that sexual desire and sexual attraction are not identical.