Q1. Using Positron Emission Tomography (PET) scanning, activation of which of the following brain areas is seen more commonly in patients with nausea as a prominent part of their migraine, suggesting its role in the pathophysiology of this symptom?
- (1) Anterior thalamus
- (2) Dorsal medulla
- (3) Locus coeruleus
- (4) Prefrontal cortex