Endogenous opioidergic dysregulation of pain in fibromyalgia: a PET and fMRI study

A Schrepf, DE Harper, SE Harte, H Wang, E Ichesco… - Pain, 2016 - journals.lww.com
Endogenous opioid system dysfunction potentially contributes to chronic pain in
fibromyalgia (FM), but it is unknown if this dysfunction is related to established …

Decreased central μ-opioid receptor availability in fibromyalgia

RE Harris, DJ Clauw, DJ Scott, SA McLean… - Journal of …, 2007 - Soc Neuroscience
The underlying neurophysiology of acute pain is fairly well characterized, whereas the
central mechanisms operative in chronic pain states are less well understood. Fibromyalgia …

Patients with fibromyalgia display less functional connectivity in the brain's pain inhibitory network

KB Jensen, R Loitoile, E Kosek, F Petzke… - Molecular …, 2012 - journals.sagepub.com
Background: There is evidence for augmented processing of pain and impaired
endogenous pain inhibition in Fibromyalgia syndrome (FM). In order to fully understand the …

Altered fMRI resting‐state connectivity in individuals with fibromyalgia on acute pain stimulation

E Ichesco, T Puiu, JP Hampson… - … journal of pain, 2016 - Wiley Online Library
Background Fibromyalgia is a chronic widespread pain condition, with patients commonly
reporting other symptoms such as sleep difficulties, memory complaints and fatigue. The use …

Breaking down the barriers: fMRI applications in pain, analgesia and analgesics

D Borsook, LR Becerra - Molecular pain, 2006 - journals.sagepub.com
This review summarizes functional magnetic resonance imaging (fMRI) findings that have
informed our current understanding of pain, analgesia and related phenomena, and …

[HTML][HTML] Altered pain in the brainstem and spinal cord of fibromyalgia patients during the anticipation and experience of experimental pain

G Ioachim, HJM Warren, JM Powers, R Staud… - Frontiers in …, 2022 - frontiersin.org
Chronic pain associated with fibromyalgia (FM) affects a large portion of the population but
the underlying mechanisms leading to this altered pain are still poorly understood. Evidence …

Altered brain activity during pain processing in fibromyalgia

M Burgmer, E Pogatzki-Zahn, M Gaubitz, E Wessoleck… - Neuroimage, 2009 - Elsevier
Fibromyalgia syndrome (FMS) is characterized by widespread pain. Studies with functional
neuroimaging support the hypothesis of central pain augmentation in FMS. We tested this in …

[HTML][HTML] Mapping brain response to pain in fibromyalgia patients using temporal analysis of FMRI

J Pujol, M López-Solà, H Ortiz, JC Vilanova… - PloS one, 2009 - journals.plos.org
Background Nociceptive stimuli may evoke brain responses longer than the stimulus
duration often partially detected by conventional neuroimaging. Fibromyalgia patients …

Fibromyalgia is associated with decreased connectivity between pain-and sensorimotor brain areas

P Flodin, S Martinsen, M Löfgren… - Brain …, 2014 - liebertpub.com
Fibromyalgia (FM) is a syndrome characterized by chronic pain without known peripheral
causes. Previously, we have reported dysfunctional pain inhibitory mechanisms for FM …

[HTML][HTML] Painful after-sensations in fibromyalgia are linked to catastrophizing and differences in brain response in the medial temporal lobe

KL Schreiber, ML Loggia, J Kim, CM Cahalan… - The Journal of …, 2017 - Elsevier
Fibromyalgia (FM) is a complex syndrome characterized by chronic widespread pain,
hyperalgesia, and other disabling symptoms. Although the brain response to experimental …