Figure 1From: Reduced basal ganglia μ-opioid receptor availability in trigeminal neuropathic pain: A pilot study Clinical profile of Trigeminal Neuropathic Pain patients recruited for this study (for more information, refer to the text). The pain location was accessed by a craniofacial pain map of the face [12]. This method (PainTrekW, University of Michigan) provides a 3D map of orofacial pain.Back to article page