Changes in the brain that alter how we process sensory information so that we can focus on just one part of a group of stimuli rather than processing all of the stimuli is called __________

Being willing to fight seems to be an important protective factor against substance use

Indicate whether the statement is true or false

________ is a condition in which a person's breathing becomes obstructed or stops during sleep

a. Somnambulism b. Sleep state misperception c. Narcolepsy d. Sleep apnea