Fear of being the victim of a violent crime while visiting a gang-infested area in the United States is an example of ____

For Piaget, an important aspect of cognitive development was the child's ability to use

__________ that are __________. a. schemas; invertible. b. operations; irreversible. c. schemas; irreversible. d. operations; invertible. e. schemas; operations.

Research by contemporary neuroscientists has shown that:

a. no new central nervous system cells are produced after infancy. b. extended immobility can regrow severed spinal-cord axons in animals. c. it is impossible to regrow spinal-cord axons after damage. d. severed spinal-cord axons in an animal regrow if treated with certain nervous system chemicals.