Cited by 113Fibromyalgia and Chronic Fatigue Syndrome ResearchPsychosomatic Disorders and Their TreatmentsPain Mechanisms and Treatments

Reduced brain habituation to somatosensory stimulation in patients with fibromyalgia

Montoya, Pedro, Sitges, Carolina, García‐Herrera, Manuel, Rodríguez‐Cotes, Alfonso, Izquierdo, Raúl, Truyols, Magdalena, Collado, Dolores·2006·Arthritis & Rheumatism

Abstract

OBJECTIVE: To examine brain activity elicited by repetitive nonpainful stimulation in patients with fibromyalgia (FM) and to determine possible psychophysiologic abnormalities in their ability to inhibit irrelevant sensory information. METHODS: Fifteen female patients with a diagnosis of FM (ages 30-64 years) and 15 healthy women (ages 39-61 years) participated in 2 sessions, during which electrical activity elicited in the brain by presentation of either tactile or auditory paired stimuli was recorded using an electroencephalogram. Each trial consisted of 2 identical stimuli (S1 and S2) delivered with a randomized interstimulus interval of 550 msec (+/-50 msec), which was separated by a fixed intertrain interval of 12 seconds. Event-related potentials (ERPs) elicited by 40 trials were averaged separately for each sensory modality. RESULTS: ERP amplitudes elicited by the somatosensory and auditory S2 stimuli were significantly reduced compared with those elicited by S1 stimuli in the healthy controls. Nevertheless, significant amplitude reductions from S1 stimuli to S2 stimuli were observed in FM patients for the auditory, but not the somatosensory, modality. CONCLUSION: Our findings suggest that in FM patients, there is abnormal information processing, which may be characterized by a lack of inhibitory control to repetitive nonpainful somatosensory information during stimulus coding and cognitive evaluation.

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Crossref · 10.1002/art.21910

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Authors
Montoya, P., Sitges, C., García‐Herrera, M., Rodríguez‐Cotes, A., Izquierdo, R., Truyols, M., & Collado, D.
Affiliations
Research Institute of Health Sciences (ES)
Venue
Arthritis & Rheumatism
Publisher
Wiley
Published
2006-05-26
Volume
54
Issue
6
Pages
1995-2003
ISSN
  • 0004-3591 (ISSN-L)
  • 1529-0131
OpenAlex
W2017054516
Cited by
113
References
31
Citations by year
2026: 5 · 2025: 7 · 2024: 7 · 2023: 5 · 2022: 6 · 2021: 10 · 2020: 4 · 2019: 4 · 2018: 4 · 2017: 5 · 2016: 5 · 2015: 7 · 2014: 10 · 2013: 4 · 2012: 6
FWCI
2.34
Type
journal article
Language
en
Open access
closed
Locations
  • Arthritis & Rheumatism (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Fibromyalgia and Chronic Fatigue Syndrome Research
  • Health Sciences › Medicine › Psychiatry and Mental health › Psychosomatic Disorders and Their Treatments
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
Keywords
fibromyalgia, event-related potentials, sensory inhibition, tactile stimuli, auditory stimuli, sensory processing abnormalities, cognitive assessment
MeSH terms
Acoustic Stimulation, Adult, Brain, Electroencephalography, Female, Fibromyalgia, Habituation, Psychophysiologic, Humans, Middle Aged, Physical Stimulation, Touch

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