Chapter 14.3: Schizophernia

Question 1

Why is lack of emotion expression considered a “negative” symptom?

Answer 1

The symptom refers to the absence of something

Question 2

Schizophrenia is more common than average in which of the following types of people?

Answer 2

People who live in cities

Question 3

Which of these is a likely conclusion about the role of genetics and schizophrenia?

Answer 3

Rare mutations or microdeletions increase the probability of schizophrenia

Question 4

According to the neurodevelopmental hypothesis, what starts schizophrenia?

Answer 4

Disorders of brain development before or shortly after birth

Question 5

What is Toxoplasma gondii?

Answer 5

A parasite that can cause psychiatric

Question 6

Of these, which is the most likely explanation for the season-of-birth effect?

Answer 6

Maternal illness during pregnancy

Question 7

If schizophrenia is due to abnormal brain development in early life, how can we account for the fact that behavioral symptoms are not apparent until later in life?

Answer 7

A prime area of damage is the prefrontal cortex, which matures very slowly

Question 8

What is the time course of brain damage in schizophrenia?

Answer 8

Most of the brain damage is present at diagnosis or soon after

Question 9

What is the effect of anitpsychotic drugs on synapses?

Answer 9

They block certain dopamine synapses

Question 10

Of the following, which is an attempt to decrease tardive dyskinesia?

Answer 10

Use of second-generation antipsychotic drugs