Final answer:
Hadjikhani's study suggests that the Fusiform Face Area (FFA) is involved in facial recognition and processing.
Step-by-step explanation:
Hadjikhani's study suggests that the Fusiform Face Area (FFA) is involved in facial recognition and processing. The FFA is a region of the brain that is specialized in recognizing faces and is particularly active when we look at faces. In Hadjikhani's study, they used functional magnetic resonance imaging (fMRI) to observe brain activity while participants looked at different types of visual stimuli, including faces. The results showed that the FFA had increased activity when participants viewed faces compared to other visual stimuli, indicating its role in face perception.