A 54-year-old man presents to clinic stating he “can no longer feel his legs.” He has no other accompany symptoms, and his physical examination results are normal, including motor strength bilaterally. However, after receiving an injection of sodium Amytal, his symptoms markedly improve. What is the diagnosis?

Which of these statements regarding the prognosis of dissociative identity disorder is incorrect?

Which of the following statements is true about paraphilias?

Which part of the brain is directly involved in sexual drive in mammals?

A 13-year-old girl presents to clinic for unusual behavior.  Her father states that for the past 3 months, his daughter claims she has been “communication with unidentified flying objects form outer space”.  During this period, it has become increasingly difficult to communicate with his daughter, and she has become an introvert.  What is the most likely diagnosis?

Mr. T was 42 years old when he was brought to a psychiatrist for evaluation. He lived with his parents and four brothers. His chief complaint was that his business partner was trying to force him to quit by giving him too much work.  Although he appeared outwardly calm, Mr. T complained of nervousness and restlessness. He also noted an inability to sleep at night, believing that his neighbor was making noise on purpose.  Mr. T’s brother corroborated that the neighbor was being quite noisy at night and did not seem to respond to requests to be quieter. The psychiatrist prescribed hypnotic and anxiolytic mediation. Three days later, the psychiatrist received a phone call from the patient’s brother, who requested that Mr. T be seen emergently.  Upon arriving at the psychiatrist’s office, Mr. T appeared quite anxious and perplexed.  He stated that the noises had grown louder and were now present throughout the day.  He was also convinced that other people besides his neighbor and his business partner were trying to harm him.  Mr. T’s brother now reported that Mr. T’s beliefs had no basis in reality. This case illustrates which of the following difficulties in diagnosing delusional disorder?

A 40-year-old transgender woman presents to your outpatient practice for an initial evaluation. You have never received training in gender-affirming therapy and have not had significant experience treating gender-diverse individuals. You are unsure about your ability to treat her. What is the most appropriate next step?

The rationale for the role of excess dopamine in schizophrenia is based on observations that

A 13-year-old girl (weight:

Which comorbid psychiatric disorder or class of disorders has the highest lifetime prevalence in adults with anorexia nervosa according to research data?