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Fig. 4 | The Journal of Headache and Pain

Fig. 4

From: Microstructural changes in the trigeminal nerve of patients with episodic migraine assessed using magnetic resonance imaging

Fig. 4

Line graphs showing mean (±SEM) fractional anisotropy, mean diffusivity, axial diffusivity and radial diffusivity of the left and right trigeminal root for caudal, middle and rostral divisions in controls (black lines) and migraineurs (grey lines). Note that fractional anisotropy was significantly different, i.e., lower in migraineurs than controls at the middle and rostral divisions, whereas radial diffusivity was greater in migraineurs at the middle and rostral divisions. *p < 0.05. The top panel shows a T1-weighted coronal image with the trigeminal nerve indicated by the red shading. To the left and far right is an expanded view of the left and right trigeminal nerve showing the caudal (green), middle (yellow) and rostral (red) divisions

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