Symptoms include amnesia, hallucinations, and delusions. The novel is a psychological thriller about a woman suffering from anterograde amnesia. This may appear as lack of concentration, confusion and anterograde amnesia. Retrograde amnesia and somnolence can result following recovery. Neurological cause of psychogenic amnesia is controversial. Corwin wakes up from a coma in a hospital in New York with amnesia. NMDA receptor antagonists induce a state called dissociative anesthesia, marked by catalepsy, amnesia, and analgesia. Many of the substances below are known to cause anterograde amnesia and retrograde amnesia. The role switching was in addition to anterograde amnesia and anosognosia. There are two main types of amnesia&colon; retrograde amnesia and anterograde amnesia. Treatment&colon; Same treatment as dissociative amnesia, and same drugs. Chris goes into a self-imposed exile, afflicted with post-traumatic amnesia. His performance in "Ghajini" as a businessman with anterograde amnesia was widely praised. One technique for Amnesia treatment is cognitive or occupational therapy. Getting lost is a common symptom of amnesia.