Figure 2From: Excitatory neurotransmitters in brain regions in interictal migraine patients Voxel Placement for Spectral Analysis. Axial high-resolution T1-weighted FLASH MR images recorded from a 42 year-old male migraine patient showing a 8-cm3 spectroscopy voxel (black box) positioned within (a) the ACC and (b) the left insula.Back to article page