Schizophrenia Flashcards
Primary Criterion: A diagnosis of Schizophrenia requires the presence of at least two active phase symptoms; these include:
(Hint: 5)
- Delusions
- Hallucinations
- Disorganized Speech
- Disorganized behavior
- Negative symptoms
Bonus: One of the two active phase symptoms must be delusions, hallucinations, or disorganized speech.
Additional Criteria: For a diagnosis of Schizophrenia, there must be continuous signs of the disorder for at least ______________, and symptoms must cause significant impairment.
6 months.
For Schizophrenia, the DSM-5 provides specifiers to describe the ____________ and to indicate if the symptoms include _____________.
- Course
- Catatonia
For Schizophrenia, common associated features include:
- Inappropriate _____________
- __________ mood
- ____________ sleep pattern
- Lack of interest in ______________
- _____________ (poor insight)
- Comorbid Substance Use Disorder (____________ is particularly high)
- Affect
- Dysphoric
- Disturbed
- Eating
- Anosognosia
- Tobacco Use
Lifetime prevalence for Schizophrenia ranges from ___ to ___%, with some variation by race/ethnicity, geographic region, and gender.
0.3 to 0.7%.
With respect to gender, the prevalence of Schizophrenia is slightly higher for ____________ than _____________.
- Males
- Females
True or False: Research suggests that the higher reported rate of Schizophrenia for African Americans is the result of legitimate ethno-biological differences.
False: Research suggests that the higher reported rate of Schizophrenia for African Americans is the result of misdiagnosis, due to the fact that African Americans are more likely to experience hallucinations and delusions as symptoms of depression and other disorders.
The World Health Organizations Pilot Study of Schizophrenia found that patients from developing countries were more likely to exhibit _______ symptom onset, a ___________ clinical course, and a ________________ of symptoms.
- Acute
- Shorter
- Complete remission
Concordance Rates for Schizophrenia (Gottesman, 1991):
- Biological Sibling: ___%
- Fraternal (dizygotic) Twin: ___%
- Identical (monozygotic) Twin: ___%
- Child of Two Parents with Schizophrenia: ___%
- 10%
- 17%
- 48%
- 46%
Studies have shown that relatives of people with Schizophrenia are at increased risk for Schizophrenia and Schizophrenia spectrum disorders, especially ___________________. Additional disorders in the spectrum include the _______________ disorders, as well as Schizoid, ____________, and Avoidant Personality Disorder.
- Schizotypal Personality Disorder
- Psychotic
- Paranoid
Brain abnormalities associated with Schizophrenia include:
- Enlarged __________________
- Smaller than normal _________________, amygdala, and ____________________.
- Ventricles
- Hippocampus
- Globus pallidus
Functional abnormalities associated with Schizophrenia include:
- ____________________ has been linked to negative symptoms and poor performance on cognitive tasks; it refers to lower-than-normal activity in the ___________________ as measured by cerebral blood flow and _______________________.
- Hypofrontality
- Prefrontal cortex
- Glucose metabolism
The __________________ was the first biochemical explanation for Schizophrenia and attributes it to elevated dopamine levels or oversensitive dopamine receptors.
Dopamine Hypothesis.
The original Dopamine Hypothesis has been modified by subsequent research, suggesting that the role of dopamine differs for positive and negative symptoms of Schizophrenia and implicating other neurotransmitters, including __________________, glutamate, and __________.
- Serotonin
- GABA
The abnormally large proportion of people with Schizophrenia born in the late winter/early spring has been attributed to higher rates of __________________ in the winter months, consistent with research linking Schizophrenia to prenatal exposure to the _______________ virus.
- Infectious disease
- Influenza