Pain receptors are collectively referred to as _______________

You have a friend who is very tall and always seems to be getting paid more than you and everyone else that is shorter than him. One reason for this might be ________

Fill in the blank(s) with the appropriate word(s).

Perhaps the earliest idea regarding abnormal behavior was that

a. supernatural forces or demonic spirits were at work. b. the brains of people displaying abnormal behavior were defective. c. it was the product of the inappropriate use of rewards and punishments. d. it was the result of a moral weakness. e. irrational thoughts or distorted thinking lead to emotional problems.