2. Pain catastrophizing and features of cortical response to painful stimuli in fibromyalgia

Gamma Band Oscillations (GBO) after laser stimuli are currently considered a correlate of subjective pain perception. Habituation of laser evoked potentials (LEPs) is reduced in patients with central amplification of pain stimuli.To correlate LEPs habituation and GBO induced by laser stimulation with subjective pain rating and pain catastrophizing in patients with Fibromyalgia (FM) and controls.We recorded LEPs in 30 FM patients and 15 healthy controls by stimulating the dorsum of the right hand.

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