Research suggests that a biological vulnerability to schizophrenia may lie in problems with the neurotransmitters dopamine and ________

Which example is considered to be a contradictory social message regarding substance use?

a) Advertisements that associate beer drinking with positive outcomes like fun, friendship, and romance and end with the admonition to "drink responsibly b) Commercials that have attractive young models admonishing people to abstain from drug use c) Public service messages that compare an egg frying in a pan to demonstrate the effects of drug use on brain tissue d) Warning labels on cigarette packs that explain the health risks of smoking

_____ refers to the focusing of our limited capacities of consciousness on a particular set of stimuli

a) Initiation b) Aspiration c) Perception d) Attention