If you were to study top-down processing as it applies to smell, which of the following topics would ...

If you were to study top-down processing as it applies to smell, which of the following topics would be most relevant?
 
  a. Whether people recognize a lemon fragrance more readily when they see a photo of a lemon than when they see a photo of a rose.
  b. Whether the chemical structure of lemon-fragrance molecules is substantially different from the chemical structure of rose-fragrance molecules.
  c. Whether the receptors in the nasal passages respond differently to lemon and rose fragrances.
  d. Whether the brain stores lemon and rose fragrances in different locations.

Question 2

Suppose that you walk past the home of your friend, John. Standing in front of the house is someone who somewhat resembles your friend,
 
  so you shout, Hi, John To your embarrassment, it is not John but his younger brothersubstantially shorter and with darker hair. This error can be traced to
   a. serial processing.
   b. parallel processing.
   c. bottom-up processing.
   d. top-down processing.