There are many substances in the brain and body that trigger hunger. This one, however, triggers hunger even if giving into that hunger involves eating bitter foods or receiving shocks to the mouth during eating

As part of his research into aging and cognitive function, Dr. Farzad often utilizes positron emission tomography. Which neuroscience perspective likely guides Dr. Farzad's work?

a. dopaminergic approach b. neuropsychological approach c. neurocorrelational approach d. activation imaging approach

Which of the following stages of psychosocial development appears in adulthood rather than in childhood?

a. initiative vs. doubt b. integrity vs. despair c. industry vs. inferiority d. basic trust vs. mistrust e. identity vs. confusion