Lecture 18: Symptoms & Theories of Schizophrenia PDF

Lecture 18: Symptoms & Theories of Schizophrenia Dr. Donna Demanarig Assistant Teaching Professor Psychology Department What are we covering today? 01 02 Categories of DSM-5 Criteria Symptoms 03 04 Phases of...

Lecture 18: Symptoms & Theories of Schizophrenia Dr. Donna Demanarig Assistant Teaching Professor Psychology Department What are we covering today? 01 02 Categories of DSM-5 Criteria Symptoms 03 04 Phases of Etiology of Schizophrenia Schizophrenia  What is schizophrenia? psychosis:  hallucinations () & delusions () serious chronic mental illness falls on the severe end of the schizophrenia spectrum personal, social, & occupational impairment  Statistics 1 of 100 experience schizophrenia during lifetime 20 million worldwide 3.2 million in the U.S. Average age at onset: 23 for men, This Photo by Unknown Author is licensed under CC BY-NC 28 for women  01 What is the DSM-5 Criteria of Schizophreni a?  Diagnostic Criteria Symptoms (2 or Frequency more) Functioning delusions, level of symptoms persist hallucinations, functioning in for at least 6 disorganized speech, 1 or more months abnormal motor areas is activity (catatonia); markedly low negative symptoms  Types of Schizophrenia Type I Schizophrenia ○ Have better adjustment prior to the disorder, later onset of symptoms, greater likelihood of improvement ○ Linked more closely to abnormalities Type II Schizophrenia ○ Tied largely to abnormalities in the brain 02 Categorie s of Symptom s  Symptoms fall into three categories… Psychomotor Positive Symptoms Symptoms Negative Symptoms  Positive Symptoms Delusions: Hallucinations: Disorganized thinking and speech ○ loose associations or derailment ○ neologisms ○ perseveration ○ clang or rhymes Inappropriate affect  Negative Symptoms pathologic al deficits Avolition Alogia Diminishe d emotional expression Social Anhedonia withdrawal  Psychomotor Symptoms o awkward movements, repeated grimaces, odd gestures o Catatonia o stupor, rigidity, posturing, excitement  03 Phases of Schizophre nia  Phases of Schizophrenia Prodromal Phase Active Phase Symptoms are full- blown, more apparent Beginning of deterioration; mild Residual Phase symptoms social withdrawal & isolation Return to prodromal-like inappropriate affect levels poor communication patterns neglect of personal grooming  04 Etiology of Schizophre nia  Etiology of Schizophrenia: Biological Genetics and heredity play a key role ○ diathesis-stress perspective ○ closer blood relatives have greater risk ○ 16% chance for close relatives (e.g., mother & son) ○ 4% chance for distant relatives (e.g., aunt & niece) ○ 1% for general population Biochemical abnormalities: dopamine hypothesis This Photo by Unknown Author is licensed under CC BY Etiology of Schizophrenia: Psychological Psychodynamic: ○ Fromm-Reichmann – schizophrenic mothers ○ Self-theorists – biological deficiencies cause development of fragmented self Cognitive-behavioral: ○ operant conditioning ○ misinterpretation of unusual  Etiology of Schizophrenia: Sociocultural Multicultural factors: ○ racial & ethnic group differences in rates ○ immigrant and native-born population differences Social labeling This Photo by Unknown Author is licensed under CC BY-NC-ND Family dysfunction Salamat! Any questions? CREDITS: Diese Präsentationsvorlage wurde von Slidesgo erstellt, inklusive Icons von Flaticon, Infografiken & Bilder von Freepik