The main purpose of this passage is to report on a possible explanation for an unusual phenomenon, i.e., option C.
<h3>What is Capgras Delusion?</h3>
Capgras syndrome (CS), also known as delusion of doubles, is a form of delusional misidentification.
It is a syndrome characterized by the patient's mistaken belief that an identical duplicate has replaced someone important to them.
The given passage is showing the same thing that might cause a disconnection between the fusiform face area, which is involved in the emotional responses to familiar faces.
The main purpose of this passage is to report on a possible explanation for an unusual phenomenon.
Thus, the correct option is C.
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