Schizophrenia Quiz

What are candidate genes believed to do in relation to schizophrenia?

• Cure schizophrenia

• Increase vulnerability to schizophrenia

• Decrease dopamine levels

• Prevent genetic disorders

Which genes are involved in dopamine regulation and associated with schizophrenia?

• COMT and DRD4

• BRCA1 and BRCA2

• TP53 and RB1

• HBB and HBA

What is the concordance rate for schizophrenia in monozygotic twins?

• 10%

• 25%

• 48%

• 75%

What does the dopamine hypothesis suggest about schizophrenia?

• It is caused by a single gene

• It is due to an imbalance in dopamine levels

• It is unrelated to brain activity

• It is solely environmental

What is hyperdopaminergia in the subcortex linked to?

• Negative symptoms

• Positive symptoms

• Cognitive decline

• Memory loss

What is hypodopaminergia in the prefrontal cortex associated with?

• Positive symptoms

• Negative symptoms

• Increased dopamine

• Enhanced memory

What are enlarged ventricles in the brain associated with in schizophrenia?

• Increased brain tissue

• Loss of brain tissue

• Enhanced cognitive function

• Improved memory

What does reduced activity in the prefrontal cortex affect in schizophrenia?

• Auditory processing

• Decision-making and planning

• Visual perception

• Motor skills

What is abnormal activity in the superior temporal gyrus associated with?

• Enhanced memory

• Hallucinations and disorganized thinking

• Improved cognitive control

• Increased dopamine levels

What do neural correlates refer to in the context of schizophrenia?

• Genetic mutations

• Patterns of brain activity and structure

• Environmental factors

• Dietary influences