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Sexual orientation is an enduring personal pattern of romantic attraction or sexual attraction (or a combination of these) to persons of the opposite sex or gender, the same sex or gender, or to both sexes or more than one gender. Patterns are generally categorized under heterosexuality, homosexuality, and bisexuality, [ 1 ][ 2 ][ 3 ] while ...
Human male sexuality. Human male sexuality encompasses a wide variety of feelings and behaviors. Men 's feelings of attraction may be caused by various physical and social traits of their potential partner. Men's sexual behavior can be affected by many factors, including evolved predispositions, individual personality, upbringing, and culture.
v. t. e. Homosexuality is sexual attraction, romantic attraction, or sexual behavior between members of the same sex or gender. [ 1][ 2][ 3] As a sexual orientation, homosexuality is "an enduring pattern of emotional, romantic, and/or sexual attractions" exclusively to people of the same sex or gender. [ 4] It "also refers to a person's sense ...
The American Psychological Association defines sexual orientation as "an enduring pattern of emotional, romantic, and/or sexual attractions to men, women, or both sexes," ranging "along a continuum, from exclusive attraction to the other sex to exclusive attraction to the same sex." [31] Sexual orientation can also be "discussed in terms of ...
The relationship between the environment and sexual orientation is a subject of research. In the study of sexual orientation, some researchers distinguish environmental influences from hormonal influences, [ 1] while other researchers include biological influences such as prenatal hormones as part of environmental influences.
There is considerably more evidence supporting innate causes of sexual orientation than learned ones, especially for males. This evidence includes the cross-cultural correlation of homosexuality and childhood gender nonconformity, moderate genetic influences found in twin studies, evidence for prenatal hormonal effects on brain organization, the fraternal birth order effect, and the finding ...
A review of retrospective studies that measured gender nonconforming traits estimated that 89% of homosexual men exceeded heterosexual males level of gender nonconformity, whereas just 2% of heterosexual men exceeded the homosexual median. For female sexual orientation, the figures were 81% and 12% respectively.
The field of psychology has extensively studied homosexuality as a human sexual orientation. The American Psychiatric Association listed homosexuality in the DSM-I in 1952 as a "sociopathic personality disturbance," [ 1] but that classification came under scrutiny in research funded by the National Institute of Mental Health.