As many as one-half to two-thirds of schizophrenia patients improve significantly over time

Every time Maricella goes to work in the morning, she notices that her dog sulks in the corner of the room and looks very sad

Over several weeks, she notices that the dog gets unhappy when she picks up her car keys, immediately before leaving the house. Which phenomenon of learning best describes the dog's behavior? a. classical conditioning b. innate learning c. negative punishment d. instinctive drift e. stimulus discrimination

Because PCP produces behavior that in many respects is indistinguishable from schizophrenia:

a. Dopamine is suspected as an important neurotransmitter in schizophrenia. b. Serotonin is suspected as an important neurotransmitter in schizophrenia. c. Glutamate is suspected as an important neurotransmitter in schizophrenia. d. None of the above