Sexual Orientation

Sexual orientation describes an enduring pattern of attraction—emotional, romantic, sexual, or some combination of these—to the opposite sex, the same sex, or both sexes, and the genders that accompany them. These attractions are generally subsumed under heterosexuality, homosexuality, and bisexuality, while asexuality (the lack of romantic or sexual attraction to others) is sometimes identified as the fourth category. These categories are aspects of the more nuanced nature of sexual identity. For example, people may use other labels, such as pansexual or polysexual, or none at all. According to the American Psychological Association, sexual orientation also refers to a person's sense of "personal and social identity based on those attractions, behaviors expressing them, and membership in a community of others who share them."

The term sexual preference largely overlaps with sexual orientation, but is distinguished in psychological research. A person who identifies as bisexual, for example, may sexually prefer one sex over the other. "Sexual preference" may also suggest a degree of voluntary choice, whereas the scientific consensus is that sexual orientation is not a choice. There is no simple, single cause for sexual orientation that has been conclusively demonstrated, but research suggests that it is by a combination of genetic, hormonal, and environmental influences, with biological factors involving a complex interplay of genetic factors and the early uterine environment. Research over several decades has demonstrated that sexual orientation ranges along a continuum, from exclusive attraction to the opposite sex to exclusive attraction to the same sex.

While sexual orientation is reported in this article primarily within biology and psychology, including sexology, for reports within anthropology and history, including social constructionism see the section on other explanations and Sexual orientation and culture.

Read more about Sexual OrientationSexual Orientation Distinguished From Sexual Identity and Behavior, Measuring Sexual Orientation, Influences On Sexual Orientation: Professional Organizations' Statements, Sexual Orientation and Culture, Demographics of Sexual Orientation, Perception of Sexual Orientation and Other People's Reactions, Politics and Theology

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