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Schizophrenia. Two or more of the following, each present for a significant portion of the time during a 1-month period**DelusionsHallucinationsDisorganized speechGrossly disorganized or catatonic behaviorNegative symptoms **Exception to the 2 symptom requirement: only 1 psychotic symptom required if:Delusion is bizarreHallucination consists of .
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1. Schizophrenia & Other Psychotic Disorders
7.19.2007
2. Schizophrenia Two or more of the following, each present for a significant portion of the time during a 1-month period**
Delusions
Hallucinations
Disorganized speech
Grossly disorganized or catatonic behavior
Negative symptoms
**Exception to the 2+ symptom requirement: only 1 psychotic symptom required if:
Delusion is bizarre
Hallucination consists of
3. Delusions (Positive Symptom) Fixed, false beliefs
Types
Bizarre –
Thought insertion –
Thought withdrawal –
Thought broadcast –
Reference –
4. Delusions (positive symptom) Types, continued
Control –
Somatic –
Nihilistic –
Grandiose –
Religious –
Persecutory –
5. Hallucinations (Positive Symptom) False sense perception
Types
Auditory –
Tactile –
Visual –
Olfactory/Gustatory –
Somatic –
6. Disorganized Speech (Positive Symptom) Speech that is hard to understand or follow, impairs communication
Types
Loose associations –
Incoherence –
Frequent derailment –
7. Disorganized Speech (Positive Symptom) Types
Circumlocution –
Tangential –
Clang –
Neologisms –
8. Disorganized Speech:Geometric Analogy
9. Grossly Disorganized or Catatonic Behavior (Positive Symptom) Grossly Disorganized Behavior
10. Grossly Disorganized or Catatonic Behavior (Positive Symptom) Catatonic Behavior
11. Negative Affect (Negative Symptom) Flat affect
No emotional expression in speech
Restricted fluency of thought and speech
12. Schizophrenia **Exception to the 2+ symptom requirement: only 1 psychotic symptom required if:
1. Delusion is bizarre
OR
2. Hallucination consists of either:
a. voice keeps up a running commentary on the person’s thoughts or behavior
OR
b. two or more voices conversing with each other
13. Schizophrenia Impairment in functioning
Signs of the disturbance for at least 6 months, that includes at least 1 month of symptoms described by Criterion A
Symptoms are not better accounted for Schizoaffective Disorder or Mood Disorder with Psychotic Features
Not due to a GMC or substance
If there is a developmental disorder present, there are prominent delusions or hallucinations present for at least one month
14. Facts about Schizophrenia Prevalence:
Gender:
Age of Onset:
Course:
15. Facts about Schizophrenia Course:
Onset may be acute or gradual
Many sufferers experience three phases
Prodromal – beginning of deterioration
Active – meet criteria for Schizophrenia
Residual – return to prodromal levels
16. Facts about Schizophrenia Course, continued
17. Schizophrenia: Course
18. Facts about Schizophrenia Outcome
Approximately 15%
Approximately 85%
Approximately 50%
90% or more
75% or more
Approximately 10%
19. Facts about Schizophrenia Culture:
Prevalence seems to be higher in lower SES communities
“Downward drift” – direction of causality?
20. Facts about Schizophrenia Culture, continued
Prevalence doesn’t vary
Prevalence doesn’t vary
Cross cultural variation
21. Factors associated with better prognosis Good premorbid functioning
Acute onset
Later age at onset
Being female
Mood disturbance
Family history of Mood Disturbance
22. Factors associated with better prognosis Treatment with antipsychotic medication
Compliance with medication
Brief duration of symptoms
Good interepisode functioning
No family history of Schizophrenia
Insight
23. Subtypes of Schizophrenia Paranoid
Disorganized
Catatonic
Undifferentiated
Residual
24. Paranoid Schizophrenia Preoccupation with one or more delusions or auditory hallucinations (usually persecutory, grandiose, or both)
None of the following is prominent:
Disorganized speech,
Disorganized behavior
Catatonic behavior
Flat/inappropriate affect
25. Disorganized Schizophrenia All of the following are prominent
Disorganized speech
Disorganized behavior
Flat/Inappropriate affect
There is no catatonic behavior
26. Catatonic Schizophrenia A type of Schizophrenia in which the clinical picture is dominated by at least 2 or more catatonic behaviors
Motoric immobility as evidenced by stupor, catalepsy, or waxy flexibility
Excessive motor activity that is apparently purposeless and not influenced by external stimuli
Extreme negativism or mutism
Peculiarities of movement (posturing, stereotyped movements, prominent mannerisms, or prominent grimacing
Repeating whatever is said or done
27. Undifferentiated Schizophrenia Characterized by symptoms which fit do not fit the paranoid, disorganized, or catatonic subtypes
Vague, “catch-all” category
28. Residual Schizophrenia Characterized by symptoms that have lessoned in strength and number
Person may continue to display blunted or inappropriate emotions
29. Schizophrenia: Risk Factors Being born in winter or early spring
Family history of Schizophrenia
Risk of developing Schizophrenia
6% chance
10% chance
13% chance
42% chance
50% chance
If one MZ twin has Schizophrenia and the other one doesn’t, the one who doesn’t have it often isn’t completely asymptomatic (e.g. may have a personality disorder)
30. Schizophrenia: Biology Dopamine Hypothesis
Schizophrenia has been linked to excessive dopamine activity
Effective antipsychotics are dopamine antagonists
Bind to dopamine receptors
Decreasing dopamine too far can result in Tardive Dyskinesia
Problem with the Dopamine hypothesis
31. Other Psychotic Disorders Schizophreniform Disorder
Brief Psychotic Disorder
Schizoaffective Disorder
Delusional Disorder
Shared Psychotic Disorder
32. What is a Psychotic Disorder Psychosis
A break from reality
Often involves difficulties interacting with and perceiving the real world
Split between thoughts and emotions
33. Schizophreniform Disorder Criteria A, D, and E of Schizophrenia are met
An episode of the disorder (including the prodromal, active, and residual phases) lasts at least 1 month but less than 6 months
34. Schizophreniform Disorder Essentially, exactly like Schizophrenia, but the duration is shorter
Schizophrenia:
Schizophreniform:
Often used as a provisional diagnosis during the first months of a psychotic illness
Thus, this diagnosis can change to Schizophrenia after 6 months have passed without complete recovery
35. Facts about Schizophreniform Disorder Prevalence**: Varies substantially:
Industrialized areas:
Non-industrialized areas:
36. Facts about Schizophreniform Disorder Gender:
Age of Onset:
Course: 1/3 -
2/3 -
37. Brief Psychotic Disorder A. Presence of one or more of the following symptoms:
Delusions
Hallucinations
Disorganized speech
Grossly disorganized or catatonic behavior
B. Duration of an episode of the disturbance is at least 1 day but less than 1 month, with eventual full return to premorbid levels of functioning
C. Disturbance is not better accounted for by another mental disorder and is not due to a GMC or substance
38. Brief Psychotic Disorder vs. Schizophrenia/Schizophreniform Criteria
Schizophrenia/Schizophreniform Disorder
Brief Psychotic Disorder
Duration
Schizophrenia:
Schizophreniform Disorder:
Brief Psychotic Disorder:
39. Facts about Brief Psychotic Disorder Prevalence:
Gender:
Age of Onset:
Course:
40. Schizoaffective Disorder An uninterrupted period of illness during which, at some time, there is either a Major Depressive Episode, a Manic Episode, or a Mixed Episode concurrent with symptoms that meet Criterion A for Schizophrenia
During the same period of illness, there have been delusions or hallucinations for at least 2 weeks in the absence of prominent mood symptoms
41. Schizoaffective Disorder D. Symptoms that meet criteria for a mood episode are present for a substantial portion of the total duration of the illness
E. Not due to a GMC or substance
42. Subtypes of Schizoaffective Disorder Bipolar Type:
Depressive Type:
43. Facts about Schizoaffective Disorder Prevalence:
Gender:
44. Facts about Schizoaffective Disorder Age of Onset:
Bipolar Subtype –
Depressive Subtype –
Course: Better prognosis than Worse prognosis than
Better prognosis
45. Delusional Disorder Nonbizarre delusions lasting for at least 1 month
Criterion A for Schizophrenia have never been met (However, tactile and olfactory may be present if they are related to the delusional theme)
Behavioral functioning is not markedly imparied and behavior is not obviously odd or bizarre
46. Delusional Disorder D. If mood episodes have occurred concurrently with delusions, their total duration has been brief relative to the duration of the delusional periods
E. Not due to the direct effects of a GMC or substance
47. Types of Delusional Disorder Erotomanic –
Grandiose –
Jealous –
48. Types of Delusional Disorder Persecutory –
Somatic –
Mixed –
Unspecified –
49. Facts about Delusional Disorder Prevalence: 0.03% -
1-2% -
Gender:
Age of Onset:
Course:
50. Shared Psychotic Disorder (Folie á Deux) A delusion develops in an individual in the context of a close relationship with another person(s), who has an already-established delusion
The delusion is similar in content to that of the person who already has the established delusion
The disturbance is not better accounted for by another psychotic disorder or is due to a GMC or substance
51. Shared Psychotic Disorder The delusions are shared between two people are in a close relationship (husband and wife, parent and child, siblings, etc.)
Typically, the person with the original delusion is the more dominant personality in the relationship
Generally the delusions are only shared by two people, but can be shared among large groups of people as well
52. Facts about Shared Psychotic Disorder Prevalence:
Gender:
Age of Onset:
Course: