Fig. 2From: Functional magnetic resonance imaging in episodic cluster headacheTemporal course of the BOLD signals in the hypothalamus ipsilaterally to the pain-side in patient 2. Asymptomatic state (a). Onset of the headache attack and state of pain (b). Administration of sumatriptan (c). Pain relief-state (d). On the horizontal line the number of the 400 GE-EPI acquisitions, is indicatedBack to article page