Which statement about the stress hormone cortisol is true?
A. Abnormally high levels are linked to behavior problems, but abnormally low levels are not.
B. Abnormally low levels are linked to behavior problems, but abnormally high levels are not.
C. Both abnormally high levels and abnormally low levels are linked to behavior problems.
D. Measuring levels of cortisol requires an analysis of fMRI images.
Answer: C
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With implantation into the uterus, the period of the _____ begins
a. blastula b. embryo c. fetus d. zygote
Regarding research evidence on aggression, which of the following statements is FALSE?
a. Investigators have found strong links between alcohol use and violent behaviors like rape, homicide, and domestic violence. b. Investigators have identified neural mechanisms associated with genes linked to violent or impulsive behavior. c. The relationship between alcohol and aggressive behavior is influenced by situational social demands as wellas the user's biological sensitivity to alcohol. d. Research suggests that frustration consistently leads people to behave aggressively. e. The increased availability of serotonin in aggressive men's brains may create a tendency to make them morelikely to respond to social provocation.
A kind of therapy closely related to classical conditioning that is designed to gradually reduce anxiety about a particular object or situation is known as ________ therapy
a. psychoanalytic b. desensitization c. conditioned d. response
Humans have a poorer sense of smell than other great apes, probably in part because humans walk upright on two legs. Why would this influence our sense of smell?
A. Because olfactory stimuli are heavier than air and fall B. Because vision superseded smell as an important sense C. Because language evolved D. Because the cortical structures for walking on two legs were repurposed from olfactory neurons