This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexual offences and infanticide, Subject name: Forensic Medicine
Voyeurism is also known as - 
Select and explain. 
A. Scotophilia, B. Priapism, C. Frotteurism, D. Onanism
A: Scotophilia
Answer: A: Scotophilia 
Explanation: Ref:synopsis of forensic medicine and toxicology (K.S.Narayan Reddy) 28th edition, page no. 232 Voyeurism or scotophilia is the counter pa of exhibition. Voyer is defined as one who, over a period of six months or more, experience recurrent, intense sexual arousing fantasies, sexual urges or behaviors involving the act of observing an in suspected person who is naked, in the process of disrobing, or engaged in sexual activity. Most often, victim is a stranger. Masturbation at the scene or later to the memories of watching the unsuspecting stranger is normally the source of sexual pleasure.