Research indicates that some people's schizophrenia may result from abnormalities in the brain's receptor sites for what neurotransmitter?
A) acetylcholine
B) dopamine
C) GABA
D) epinephrine
Answer: B
Rationale: Research suggests that individuals with schizophrenia have overactive receptors for the neurotransmitter dopamine. The excess dopamine may be involved in producing the positive symptoms of schizophrenia, such as hallucinations and delusions, but not the negative symptoms such as flattened emotion and lack of speech.
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A common technique used in psychoanalysis is "analysis of ________."
A) positive regard B) gestalt C) resistance D) reflection
Dr. Agassi wants to know whether exposure to music will impact reading skills. So, she has some students listen to rock music, while others listen to jazz or classical music. Then, she measures reading ability
The independent variable in this experiment is the A) age and gender of the children. B) children's reading ability. C) type of music each student heard. D) musical preference of each child.