Which statement about neurotransmitters is accurate?
a. Neurotransmitters are released by dendrites
b. Drugs that block or facilitate neurotransmitter activity can alleviate symptoms of mental disorders.
c. Neurotransmitters consistently have an excitatory effect on the human nervous system.
d. Neurotransmitters send neural impulses to axons of receiving neurons.
b. Drugs that block or facilitate neurotransmitter activity can alleviate symptoms of mental disorders.
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The idea that schizophrenia has a genetic basis depends mainly on what type of evidence?
a. Examination of the chromosomes of people with and without schizophrenia b. Longitudinal studies of behavior change in people with schizophrenia c. Studies of twins and adopted children d. Studies of the prevalence of schizophrenia in different cultures
In one well-known study on empathy, participants were given the option of (a) leaving the study, or (b) switching places with a confederate who was receiving random electrical shocks but was very upset by them (because of a negative childhood experience she had with electricity). Participants were given this option after having been told that their values and interests were similar to those of
the confederate or after having been told that their values and interests were different from those of the confederate. What were the results of this study? a. Virtually all participants agreed to switch places with the confederate—regardless of the similarity manipulation. b. Virtually all participants elected to leave the study—regardless of the similarity manipulation. c. Participants were more likely to switch places if they were told that their values and interests were similar to those of the confederate. d. Participants were more likely to switch places if they were told that their values and interests were different from those of the confederate.
Hypothesis is to _____ as theory is to _____
a. an organized system of assumptions and principles that attempts to explain certain phenomena and how they are related; a prediction regarding the outcome of a study b. a prediction regarding the outcome of a study; an organized system of assumptions and principles that attempts to explain certain phenomena and how they are related c. not used in science; used in science d. used in science; not used in science
Which broad perspective in modern psychology seeks to explain behavior in terms of brain processes, evolution, and genetics?
a. sociocultural b. behavioristic c. psychodynamic d. biological