1. Copyright © Allyn & Bacon 2007 Schizophrenic Disorders

2. Copyright © Allyn & Bacon 2007 Schizophrenia Psychotic disorder involving distortions in thoughts, perceptions, and/or emotions.

3. Copyright © Allyn & Bacon 2007 Major Types of Schizophrenia Disorganized Catatonic Paranoid Undifferentiated Residual Positive Negative

4. Copyright © Allyn & Bacon 2007 Disorganized Catatonic Paranoid Undifferentiated Major Types of Schizophrenia Features incoherent speech, hallucinations, delusions, and bizarre behavior. For example… talking to imaginary people Residual Type

5. Copyright © Allyn & Bacon 2007 Disorganized Catatonic Paranoid Undifferentiated Major Types of Schizophrenia Involves either stupor or extreme excitement. Two forms Catatonic Stupor: Patients may remain motionless for hours, even days, …. sometimes holding rigid, statue like poses. Catatonic Excitement: Patients become agitated, hyperactive Residual Type

6. Copyright © Allyn & Bacon 2007 Disorganized Catatonic Paranoid Undifferentiated Major Types of Schizophrenia Prominent feature: combination of delusions and hallucinations. Residual Type

7. Copyright © Allyn & Bacon 2007 Disorganized Catatonic Paranoid Undifferentiated Major Types of Schizophrenia Persons displaying a combination of symptoms that do not clearly fit in one of the other categories Residual Type

8. Copyright © Allyn & Bacon 2007 Disorganized Catatonic Paranoid Undifferentiated Major Types of Schizophrenia Individuals who have had a past episode of schizophrenia but are free of symptoms Residual Type

9. Copyright © Allyn & Bacon 2007 Positive Schizophrenia Negative Schizophrenia Major Types of Schizophrenia Any form in which the person displays active symptoms (e.g. delusions, hallucinations)

10. Copyright © Allyn & Bacon 2007 Positive Schizophrenia Negative Schizophrenia Major Types of Schizophrenia Any form distinguished by deficits, such as withdrawal and poverty of thought processes

11. Copyright © Allyn & Bacon 2007 Possible Causes of Schizophrenia Evidence for the causes of schizophrenia has been found in a variety of factors including… A. genetics B. abnormal brain structure C. Biochemistry Fundamentally it is a brain disorder…no longer seen as a result of defective parenting or repressed childhood trauma

12. Possible Causes of Schizophrenia Diathesis-Stress Hypothesis The theory that says genetic factors place the individual at risk…and environmental stress factors transform this potential into an actual schizophrenic disorder Copyright © Allyn & Bacon 2007