Dr. Williamson conducts research examining the effects of electrical stimulation in certain parts of the brain. Dr. Williamson has found that stimulation of this part of the brain in laboratory rats will result in changes to the rats' mating, eating, and socialization behaviors. Based on this description, which part of the brain is Dr. Williamson most likely to be studying?

A classic experiment that researched babies' depth perception involved a device called a ______

a. visual cliff c. perception gauge b. depth gauge d. depth-perception table

Martha is a woman in late adulthood. Research seems to suggest that, to reduce symptoms of poor health, Martha is more likely to _______________________________

a) make an appointment with her physician b) try self-care through the use of over-the-counter and alternative methods c) check with friends and ask for their suggestions d) ignore or endure the symptoms