A 22-year-old man with a history of schizophrenia has been admitted to the psychiatric department. He had been in remission for 2 years but has been having auditory hallucinations of hearing voices for the past 6 months. He does not seem to understand the questions that he is being asked and appears anxious. He has stopped going to work and seems afraid to socialize with anyone, including family. What symptom domain do hallucinations fall under? Cognitive impairment Mood and anxiety symptoms Negative symptoms Neurological soft signs Positive symptoms