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ALE maps of subgroup analysis of GMV reduction between MwA (red) and MwoA (green). (A) Insula and middle frontal gyrus, (B) Anterior cingulate and medial frontal gyrus, (C) Declive of the cerebellum. ALE = activation likelihood estimation, GMV = gray matter volume, MwA = migraine with aura, MwoA = migraine without aura.
