13.1 Describe the prevalence of schizophrenia and the time course of its development.

13.2 Identify the positive and negative symptoms of schizophrenia.

13.3 Discuss the historical and evolutionary contexts of schizophrenia.

13.4 Identify genetic and environmental factors in the development of schizophrenia.

13.5 Describe the brain changes seen in individuals with schizophrenia.

13.6 Identify the treatments available to individuals with schizophrenia.