Sandy asked Professor Alperson how decreased volumes in cortical structures and enlarged ventricles predispose a person to schizophrenia. Having read the recent research, Professor Alperson says, ____.
a. They reduce dopamine activity in the brain by blocking dopamine receptor sites in post-synaptic neurons.
b. They increase the availability of dopamine and norepinephrine in the brain and increase the severity of the symptoms.
c. They may create subconnections between different brain regions, thereby overloading neural circuitry.
d. They may result in weak or aberrant connections between the different brain regions, leading to reductions in the integrative function of the brain.
Question 2
Which statement best describes the relationship between schizophrenia and socioeconomic level?
a. There is no consistent relationship between schizophrenia and socioeconomic level.
b. Schizophrenia is most prevalent at lower socioeconomic levels.
c. Severe forms of the disorder are most common at upper socioeconomic levels; milder forms are more common at the lower socioeconomic levels.
d. Schizophrenia is most common at upper socioeconomic levels.
Olfactory structures in the human nose.
Hydrocephalus. The figure on the left is a child with the enlarged ventricles of hydrocephalus. The
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