Kraepelin Credited with - Categorization of various symptoms & putting emphasis on early onset of disorder - Dementia (Loss of Mind) Praecox (Early, Premature) Eugen Bleuler - Coined Termed “Schizophrenia” - Focused on Associative Splitting (thought process disconnected, not consistent) Kraepelin Credited with - Categorization of various symptoms & putting emphasis on early onset of disorder - Dementia (Loss of Mind) Praecox (Early, Premature) Eugen Bleuler - Coined Termed “Schizophrenia” - Focused on Associative Splitting (thought process disconnected, not consistent)
Positive Symptoms –Hallucinations, Delusions Disorganized Symptoms –Speech and Behavior Negative Symptoms –Deficits in Affect, Speech, Motivation Positive Symptoms –Hallucinations, Delusions Disorganized Symptoms –Speech and Behavior Negative Symptoms –Deficits in Affect, Speech, Motivation
Positive (present) Symptoms Delusions and paranoia (abnormal thought content) –Misrepresentation of Reality –“Basic Feature of Madness” Examples –Grandeur -- Importance –Persecution -- Out to Get Me Delusions and paranoia (abnormal thought content) –Misrepresentation of Reality –“Basic Feature of Madness” Examples –Grandeur -- Importance –Persecution -- Out to Get Me
Positive Symptoms Hallucinations –Absence of Sensory Stimulation –Involve Any of the Senses Examples –Auditory -- Voices (70%) –Visual -- Seeing Things (25%) –Tactile -- Crawling Sensation Hallucinations –Absence of Sensory Stimulation –Involve Any of the Senses Examples –Auditory -- Voices (70%) –Visual -- Seeing Things (25%) –Tactile -- Crawling Sensation
Disorganized Symptoms Disorganized Speech –Difficulty in Communication Examples –Tangentiality –Loose Association or Derailment –Circumstantiality Disorganized Speech –Difficulty in Communication Examples –Tangentiality –Loose Association or Derailment –Circumstantiality Positive Symptoms Positive Symptoms
Disorganized Behaviors Catatonia –Spectrum of sx –Wild Agitation to Immobility Examples –Waxy Flexibility –Innapropriate Affect Disorganized Behaviors Catatonia –Spectrum of sx –Wild Agitation to Immobility Examples –Waxy Flexibility –Innapropriate Affect Disorganized Symptoms Positive Symptoms Positive Symptoms
Negative Symptoms Flat Affect -- “The Mask” Avolition -- “No Initiative” Alogia -- “Speech is Vacant” Anhedonia -- “No Pleasure” Flat Affect -- “The Mask” Avolition -- “No Initiative” Alogia -- “Speech is Vacant” Anhedonia -- “No Pleasure”
Paranoid Type Disorganized Type Catatonic Type Undifferentiated Type Residual Type *Exam prep: Why did DSM-5 drop these subtypes? Paranoid Type Disorganized Type Catatonic Type Undifferentiated Type Residual Type *Exam prep: Why did DSM-5 drop these subtypes?
Motor rigidity or excessive movement Display odd mannerisms ex. Grimacing, echolalia, echopraxia **Infrequently occurring subtype - should it remain as separate classification? Motor rigidity or excessive movement Display odd mannerisms ex. Grimacing, echolalia, echopraxia **Infrequently occurring subtype - should it remain as separate classification?
Schizophreniform Disorder Schizoaffective Disorder Delusional Disorder: subtypes of persecutory, jealous, grandiose, erotomanic, and somatic Brief Psychotic Disorder Shared Psychotic Disorder Folie a Deux Schizophreniform Disorder Schizoaffective Disorder Delusional Disorder: subtypes of persecutory, jealous, grandiose, erotomanic, and somatic Brief Psychotic Disorder Shared Psychotic Disorder Folie a Deux
People with schizophrenia have “split personalities.” People with schizophrenia are intellectually disabled? People with schizophrenia are dangerous? People with schizophrenia are addicted to their drugs? People with schizophrenia have “split personalities.” People with schizophrenia are intellectually disabled? People with schizophrenia are dangerous? People with schizophrenia are addicted to their drugs?
Schizophrenia is NOT caused by bad parenting or an unhappy childhood. Schizophrenia is NOT due to a weakness in character. Schizophrenia is NOT a hopeless situation. Schizophrenia is NOT caused by bad parenting or an unhappy childhood. Schizophrenia is NOT due to a weakness in character. Schizophrenia is NOT a hopeless situation.
Affects 1 out of 100 People Often Begins Between Ages Cost of caring for these patients in the billions each year Affects 1 out of 100 People Often Begins Between Ages Cost of caring for these patients in the billions each year
Chronic Occurs in.2% to 1.5% Population Affects Men and Women Equally Lower Life Expectancy –Increased Risk of Suicide Chronic Occurs in.2% to 1.5% Population Affects Men and Women Equally Lower Life Expectancy –Increased Risk of Suicide
Process vs. Reactive –Insidious vs. Acute Poor vs. Good Premorbid Functioning Type I and Type II –Type I: Positive Symptoms –Type II: Negative Symptoms Process vs. Reactive –Insidious vs. Acute Poor vs. Good Premorbid Functioning Type I and Type II –Type I: Positive Symptoms –Type II: Negative Symptoms
Early Brain Damage? Children –Attentional and Reflex Problems Runs In Families –High Expressed Emotion & Relapse –What is the Genetic Risk? Early Brain Damage? Children –Attentional and Reflex Problems Runs In Families –High Expressed Emotion & Relapse –What is the Genetic Risk?
Runs in Families Increased Risk Based on Genetic Relatedness Search for Marker Genes Smooth Pursuit Eye Tracking Runs in Families Increased Risk Based on Genetic Relatedness Search for Marker Genes Smooth Pursuit Eye Tracking Genetic Influences
Antagonists –Neuroleptics –Drugs That Reduce Dopamine –Negative Side Effects –L-Dopa, Amphetamines (Agonists) Antagonists –Neuroleptics –Drugs That Reduce Dopamine –Negative Side Effects –L-Dopa, Amphetamines (Agonists) Neurobiological Influences Excess Dopamine (D2 Receptors)
Ventricle Enlargement Genetic Neurobiological Influences Genetic Neurobiological Influences Brain Structure
Ventricle Enlargement Genetic Neurobiological Influences Genetic Neurobiological Influences Brain Structure Hypofrontality: D1 receptors
Early Forms of Treatment Insulin Coma Therapy Psychosurgery Electroconvulsive Therapy (ECT) Early Forms of Treatment Insulin Coma Therapy Psychosurgery Electroconvulsive Therapy (ECT)
Chlorpromazine Haldol Trial and Error; Mechanism of antipsychotic action – DA, D2 “dirty” Side Effects: Tics, pseudoparkinsonism; Tardive Dyskinesia less common – involuntary movements tongue, face, jaw, mouth… Chlorpromazine Haldol Trial and Error; Mechanism of antipsychotic action – DA, D2 “dirty” Side Effects: Tics, pseudoparkinsonism; Tardive Dyskinesia less common – involuntary movements tongue, face, jaw, mouth… Biological Interventions Neuroleptics Biological Interventions Neuroleptics
Biological Interventions Atypical antipsychotics Biological Interventions Atypical antipsychotics –Zyprexa, Abilify Clozaril –Side effects –Mechanisms of action: serotonin-dopamine antagonists increased risk of hyperglycemia, diabetes weight gain Decreased white blood cell counts (clozaril)
Psychosocial Interventions - case management & advocacy - structured living residences - psychosocial rehab centers (social & work life) - family education and therapy Psychosocial Interventions - case management & advocacy - structured living residences - psychosocial rehab centers (social & work life) - family education and therapy