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Functional connectivity contrast maps. Functional connectivity contrast map of the hippocampus during intermittent heat stimuli (pain threshold +1 °C on hand) in high versus low frequency migraine patients. PCC posterior cingulate cortex, PCin paracingulate, SM supramarginal, SF superior frontal, Ins (ant) anterior insula, TP temporal pole, NAc nucleus accumbens, FO frontal orbital, MF middle frontal, PAG periaqeductal gray
