After suffering a brain injury in a motorcycle accident, Adam cannot form new memories. He can, however, remember his life experiences before the accident. Adam's memory difficulty most clearly illustrates:

According to the textbook, science does not know why people sleep, but researchers have developed some convincing and persuasive theories.

a. true b. false

The mistaken delusion that one is loved by someone else who is famous but who may never actually have met the individual is known as:

a) Fantism b) Erotomania c) Disorganized schizophrenia d) None of the above