With _____, a person's focus suddenly becomes less clear, he or she has great difficulty concentrating and thinking in an organized way, leading to misinterpretations, illusions, and, on occasion, hallucinations.
With schizophrenia, a mental illness, individuals lose their ability to think clearly. The disease can have a sudden onset, characterized by a loss of ability to focus and concentrate and difficulties in regulating emotions and connecting with others. In more severe cases, the person may experience delusions and/or hallucinations. Schizophrenia is a complex disorder with many symptoms, causes, and features.