As social rank increases, the serotonin level:

Which of the following is true of newborns?

a. They are passive creatures who eat, sleep, and remain relatively oblivious to their world. b. Most of their senses operate very poorly at birth. c. They hear and understand very little of what is going on around them. d. They absorb and process information from the outside world almost as soon as, or even before, they enter it.

Consider this statement: The majority of individuals automatically blink when they feel a puff of air in the eye. In terms of classical conditioning, the puff of air is called the _____

Fill in the blank with correct word