Hebb argued that the nervous system is organized into special " __________ " that represent mental activity.

What evidence suggests that the development of schizophrenic disorders is not entirely explained by genetics?

a. None of the twin studies have found a concordance rate that even approaches 100 percent. b. DZ twins are not 100 percent concordant. c. Concordance rates for MZ twins are less than for DZ twins. d. Concordance rates for DZ twins are less than for MZ twins.

Judith has watched several movies and television shows that have provided examples of

how to defend herself, if attacked. She is unsure of herself and quite jumpy while out at night, until one day, she is attacked and defends herself in quite a satisfactory fashion. What two types of learning does Judith's story best represent? a. Conditioned emotional response and instructional control b. Escape behavior and imitation c. Long-term potentiation and imitation d. Instructional control and blocking design e. Observational learning and latent learning