Hippocrates argued that the brain is the ultimate source of human pleasures and pains

Concern over the use of animals in research has led researchers to seek alternatives to the use of animals. Which of these is one of the alternatives that researchers have devised in recent decades?

a) Researchers are relying on the use of correlational research in place of experimental research. b) Bacteria and fertilized chicken eggs have been used as substitutes for animals in tests on toxic chemicals. c) Computer projections of the possible effects of chemicals on the brain are used to replace experiments on live animals. d) Researchers are relying on panels of experts to make predictions on the possible outcomes of experiments based on their experiences.

Each of the following is a criterion used for diagnosing bulimia except ________

a. body shape and weight excessively influence the person's self-image b. refusal to maintain body weight at or above minimal normal weight for age and height c. recurrent inappropriate behaviors, such as self-induced vomiting, to try and prevent weight gain d. recurrent episodes of binge eating