| atypical sexual expression | A neutral term applied to relatively rare sexual expression or behavior. Implies that such behavior resembles more typical or common forms of sexual behavior. 444
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| behaviorism | A psychological perspective that emphasizes learning (changes in behavior via interaction with the environment) via association, rewards, or punishments. 455
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| classical conditioning | Learning via repeated association of one stimulus with another, especially a behavior. 455, 462
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| cognitive behavioral therapy | Psychological treatment that emphasizes changing self-defeating thoughts and behaviors. 457
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| computer scatophilia | Sexual arousal via the creation and sending of lewd and obscene messages over computer lines. Considered a paraphilic behavior. 447
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| exhibitionism | Sexual arousal via the display of one's genitals to a nonconsenting person. A type of paraphilic behavior. 445
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| fetishism | Sexual arousal or orgasm via the presence (preferred or required) or use of an inanimate object or body part (partialism). A paraphilic behavior. 450
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| fetishistic transvestism | Cross-dressing associated with erotic arousal and orgasm (among heterosexual men). A paraphilic behavior. 304, 450
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| form fetish | Eroticizing of an object based on its shape: high-heeled shoes, garters, etc. 450
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| frotteurism | Sexual arousal or orgasm via touching or rubbing against a non-consenting person. A paraphilic behavior. 452
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| hypoxyphilia (asphyxiophilia) | Sexual arousal or orgasm from purposely depriving the brain of oxygen. 449
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| lovemap | A representation in the brain/mind of what is arousing to a particular individual. 456
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| masochism | Sexual arousal or orgasm via being the recipient of pain, restraint, or humiliation. A paraphilic behavior. 448
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| media fetish | Eroticizing of an object based on the material from which it is made: silk, leather, etc. 450
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| obsessive-compulsive disorder | A group of psychological disorders characterized by very high levels of anxiety. The anxiety is typically related to repetitive thoughts (obsessions) and is reduced by repetitive behaviors (compulsions). 457
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| operant conditioning | The learning of a behavior via repeated reinforcement or its unlearning via punishment. 455
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| paraphilia | Recurrent, intensely arousing sexual fantasies, urges, or behaviors that involve nonhuman objects, suffering, or nonconsenting others. 304, 444, 486
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| pedophilia | A general erotic preference for children. 447, 486
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| sadism | Sexual arousal or orgasm via inflicting of pain, restraint, or humiliation on another. A paraphilic behavior. 448
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| sadomasochism | Sexual arousal via inflicting or being the recipient of pain, suffering, or humiliation. Complete control, domination (or their complete absence) are important features. Paraphilic behaviors. 448
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| sexual deviance (deviation) | Purposeful violation of sexual norms, as in prostitution. 444
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| sexual perversion | Abnormal or disturbed sexual behavior. 444
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| telephone scatologia | A form of exhibitionism involving making lewd, obscene, or sexually aggressive phone calls to a nonconsenting person. 446
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| transvestism (transvestite) | See cross-dressing.
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| voyeurism | Sexual arousal via observation of nonconsenting others who are undressing, nude, or engaging in sexual activity. A paraphilic behavior. 450
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