The basic cellular unit of the nervous system is the
a. dendrite.
b. axon.
c. synapse.
d. neuron.
d
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Which of the following is true with respect to the use of drug therapy for treating autism? a. Use of the antipsychotic medication Haloperidol has been discontinued because it has too many side effects. b. The hyperactivity drug Ritalin has been found to be helpful in alleviating many autism symptoms
c. Only two medications, the antipsychotics risperidone and aripiprazole, have received FDA approval for the treatment of autism. d. SSRIs have been helpful and very effective in decreasing anxiety, repetitive behaviors, and impulsivity.
When students apply to graduate school, they usually are required to submit GRE scores along with their applications. College officials know that there is a good relationship between scores on the GRE and success in graduate school. In this situation, success in graduate school is best characterized as the ____ variable
a. predictor b. criterion c. dependent d. independent
If the experimenter knows which treatments the participants have been administered, but the participants do not, the study is called:
a. blind. b. double blind. c. placebo. d. invalid.
Many of the motor skills and cognitive changes that occur during the preschool years are due to brain development, including
a. brain lateralization. c. increased myelination. b. increased neural connections d. all of these answers.