Biastophilia (from Greek biastes, "rape" + -philia) and its Latin language-derived counterpart, raptophilia (from Latin rapere, "to seize"), also paraphilic rape,[1] refer to a paraphilia in which sexual arousal is dependent on, or is responsive to, the act of assaulting an unconsenting person, especially a stranger.[2][3]
Some dictionaries consider the terms synonymous,[4] while others distinguish raptophilia as the paraphilia in which sexual arousal is responsive to actually raping the victim.[5]
The source of the arousal in these paraphilias is the terrified resistance to the assault,[6] and in this respect it is considered to be a form of sexual sadism.[1]
Biastophilia is accepted as potentially lethal, other such paraphilias including, but not being limited to asphyxiophilia, autassassinophilia, hybristophilia, and chremastistophilia.[7]
Under the name Paraphilic Coercive Disorder, this diagnosis has been proposed for inclusion in DSM-5.[8] This diagnosis, under the name Paraphilic Rapism, was proposed—and rejected—in DSM-III-R,[9] has been criticized because of the impossibility of reliably distinguishing between paraphilic rapists and non-paraphilic rapists and because of the way that this diagnosis, under the term Paraphilia NOS: nonconsent has been used in Sexually Violent Person/Predator commitment.[10]
Czech sexology standardly use a concept of pathologic sexual aggressivity instead. This term is strongly distinguished from sadism.[11][12] This disorder is understand as a coordination anomaly of the sexual motivation system (SMS), a "courtship disorder" according to Kurt Freund or displacement paraphilia by John Money, or missing segment of SMS.[13]
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