Socioeconomic status is highly correlated with IQ scores

With respect to the production of action potentials, high doses of alcohol are most likely to exert

a. excitatory effects b. inhibitory effects c. inhibitory and then excitatory effects d. neither of these, as the action potential is not affected by alcohol

When Max's father installed a new ceiling fan in his room, the "whirring" sound initially disturbed Max's sleep. After a few nights, however, Max was back to sleeping normally, as if the fan did not bother him at all. Max's filtering out of the fan's noise is best described as ____

a. attention b. habituation c. mental hardware d. mental software