The fusiform face area (FFA) is known to be an area that is specifically responsive to faces. Which of the following statements is also TRUE about the FFA?

a. Tasks requiring other subtle distinctions within a category (e.g., identifying different birds or cars) also produce high levels of activation in this area.

b. It only responds to famous faces (e.g., President Barack Obama).

c. It is also a crucial area in the processing of features within an object (e.g., edges, curves).

d. It is primarily thought to be the area used to mentally rotate an inverted face into its upright position for further processing.