Your college roommate likes to binge drink on saturday nights. after one particularly bad weekend, she becomes concerned about the effects of so much alcohol on her brain. knowing that you are studying the brain in psychology, she asks you to explain the effects of alcohol on the brain. you should tell her that alcohol affects the function of the neurotransmitter a. dopamine b. norepinephrine c. gaba d. acetylcholine

Rick is a toddler with an easy temperament and active nature. people are often seen stopping to talk to him in supermarkets and parks where his mother takes him in the evenings because he smiles willingly at other children and adults. this aspect of rick’s behavior most likely reflects a(n) active genotype–environment interaction suppressive genotype-environment interaction passive genotype–environment interaction evocative genotype–environment interaction