The action potential
a. involves an exchange of sodium and chloride across the axon membrane.
b. is a brief reversal of the dendritic spines' polarity.
c. is electricity that travles along the axon in a stream.
d. is analogous to the "wave" that people in a stadium make.
e. varies in size and speed during transmission.
d. is analogous to the "wave" that people in a stadium make.
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Terrence has a network of close social ties. In comparison to individuals lacking such a network, research suggests that he will
a. be more likely to suffer from social anxiety. b. be less likely to die a premature death. c. have worse physical health. d. have lower self-esteem.
The strategy of modifying natural contingencies of reinforcement and punishment is used when:
a. it is possible to reinforce instances of generalization b. instances of generalization can be punished c. there are no existing natural contingencies to promote generalization d. the behavior will be naturally reinforced in relevant situations
Realizing that patients were often unaware of material previously recalled under hypnosis, Breuer and Freud hypothesized the existence of ________, a concept considered one of the most important developments in the history of psychopathology.
A. neurosis B. the unconscious mind C. the Electra complex D. catharsis
A group of students was randomly assigned to train their rats on different schedules of reinforcement. Which student's rat will be most likely to extinguish its bar-pressing behavior before the others?
a) Dan, whose rat was trained on a FR 20 schedule b) Sally, whose rat was trained on a FR 1 schedule c) Deana, whose rat was trained on a VI 5 schedule d) Samuel, whose rat was trained on a VR 25 schedule