7.5.1 Psychosis and Shizophrenia Flashcards
Describe the Prevalence and Peak Age of Onset in patients with Schizophrenia?
Prevalence - 1% lifetime prevalence in the United States; 1:1 ration men/women
Peak Age of Onset:
Men: 15-25 years of age
Women: 25-35 years of age
Describe the difference between disturbance in process and disturbance in form in regards to Schizophrenia.
What is the difference between thought broadcasting, insertion, and withdrawl?
Broadcasting - Belief that one’s thoughts can be perceived by others
Insertion - Belief that one’s thoughts are not their own but are inserted into their head elsewhere
Withdrawl - Thought are being removed from their head
What are Schizophreniform and Schizoaffective disorder?
Is there a genetic component associated with Schizophrenia?
Yes
What are the emotional disturbances associated with Schizophrenia?
Blunting or flattening of Affect - patients seem to be emotionally detached or distant. Expressions of feelings are limited both in terms of vocal intonation and facial movement
Inappropriate Affect - Emotions that are expressed inappropriate to the situation or content of thought
Hostile Affect
What is Delusional and Brief Psychotic disorder?
Why is duration important in making a diagnosis of schizophrenia?
What is behavioral disturbances associated with Schizophrenia?
Bizarre Behavior
Catatonic Behavior
What is the DSM-V diagnostic criteria for schizophrenia?
Two or more of the following, each present for a significant portion of time. One of the follow needs to be 1-3.
- Delusions
- Hallucinations
- Disorganized speech
- Grossly disorganized or catatonic behavior
- Negative symptoms (diminished emotional expression)
Patients with Schizophrenia are more likely to?
Die of an accident and 80% of patients also have significant concurrent medical illness
Schizophrenia has multiple subtypes of disturbance in thought contents. One of which is delusions, what is that?
Delusions are a flase belief based on incorrect perception of reality
- Paranoid or persecutory
- Grandiose
- Somatic
Why is suicide important to monitor in schizophrenic patients?
About 50% of patients will attempt suicide at least once
10-15% die of suicide
How can Schizophrenia be related to Social/Occupational Dysfunction?
What has to be excluded in a diagnosis of Schizophrenia?
Schizophrenia has multiple subtypes of disturbance in thought contents. One of which is ideas of Reference, what is that?
Events in the environment that the patient believes to have special meaning to them
Schizophrenia is thought to be considered a formal thought disorder, what does that mean?
A process affecting the relationship and associations among the words used to express thought
What is the difference between an illusion and hallucination?
Illusion - A false interpretation of a real perception
Hallucination - Experiences of perception in the absence of corresponding external stimuli (most commonly auditory)
How does substance abuse relate to Schizophrenic patients?
75% of Schizophrenic patients smoke compared to less than 50% of other psychiatric patients
30-50% are dependent on alcohol
15-25% cannabis abuse
5-10% cocaine abuse
What is the Neuropathology associated with Schizophrenia?
Patients with Schizophrenia are higher levels of Dopamine/Norepinephrine
