According to the stress-vulnerability models for mood disorders and schizophrenic disorders,
a. vulnerability to these disorders is determined by the environment alone.
b. vulnerability to these disorders is determined by heredity alone.
c. traumatic stress is the major cause of these disorders.
d. these disorders emerge when high biological vulnerability combines with high stress.
D
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Some theorists believe that a sort of "executive control system," which is responsible for monitoring, directing, and organizing thought processes, is housed in the
a. corpus callosum. b. prefrontal cortex. c. hindbrain. d. medial forebrain bundle.
Which of the following is evidence of the adaptation of the contemporary human brain?
a. Brain size has gradually increased over the last 6,000 years. b. Genes involved with brain development appear to have changed as recently as 6,000 years ago. c. Compared with non-human primates, the human brain uses oxygen more efficiently. d. Although the brain comprises only about 2% of the body’s weight, it requires about 15% of the body’s resources when at rest.
Meta-analyses of studies that have investigated the effect of educational programs on behavior suggest that
A) the effect is stronger on girls than boys. B) the effect is larger for adults than children. C) violent TV activates different areas of children's brains than nonviolent TV. D) educational programs have a positive impact on children's behavior.
In an experiment n which researchers manipulate the __________, the variable that the researchers measure to see whether it changes is the __________
a) dependent variable; independent variable b) independent variable; dependent variable c) control group; treatment group d) treatment group; control group