When drugs that affect dopamine in the brain are used to treat schizophrenia, the effect is:
A. to reduce the positive symptoms of the disorder.
B. to reduce the negative symptoms of the disorder.
C. dependent on how the drug affects the use of dopamine in the brain.
D. dependent on whether the person also has another comorbid disorder.
Answer: C
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Low birth weight has been shown to be associated with an increased risk of
a. heart disease. b. schizophrenia. c. mental retardation. d. delayed motor and mental development.
What causes hydrocephalus?
a. poorly developed skull bones in an infant b. interruption of blood flow to the brain around the time of birth c. obstruction in the flow of cerebrospinal fluid d. damage to one of the cranial nerves
The number of ways the ______ can be stated for a design with more than two samples will depend on how many samples we are comparing in our study.
A. rejected hypothesis B. alternative hypothesis C. null hypothesis D. accepted hypothesis
The "valleys" in the cerebral cortex are called
a. fissures. c. crevices. b. callosums. d. cerebrals.