The Example of a New Parent Who Sleeps Through a Loud

Multiple Choice

The example of a new parent who sleeps through a loud thunderstorm, but wakes up the minute his newborn infant begins to cry is used to illustrate that during sleep, there is

A) no awareness of external stimuli.
B) a selective awareness of external stimuli. ​
C) no awareness of either external or internal stimuli. ​
D) an awareness of all external stimuli. ​