Cited by 45Gastrointestinal motility and disordersPsychosomatic Disorders and Their TreatmentsAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Increased Acoustic Startle Responses in IBS Patients During Abdominal and Nonabdominal Threat

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Naliboff, Bruce D., Waters, Allison M., Labus, Jennifer S., Kilpatrick, Lisa, Craske, Michelle G., Chang, Lin, Negoro, Hideki, Ibrahimovic, Hana +2 more·2008·Psychosomatic Medicine

Abstract

Background and Aims: Visceral hypersensitivity and symptom severity in Irritable Bowel Syndrome (IBS) are both exacerbated by stress. The eye-blink startle response represents a noninvasive measure of central defensive responding. Evidence for central hyperexcitability was studied in IBS patients by examining potentiation of the startle reflex to a nociceptive threat. Methods: Acoustic startle responses were examined in female IBS patients (n = 42) and healthy controls (n = 22) during cued periods in which an aversive abdominal or biceps stimulation was impossible (safe), possible (imminent threat) or anticipated (period just before the imminent threat), and during a threatening context (muscle stimulation pads attached but no cues for stimulation). Results: Both groups showed potentiation of startle responses during the imminent threat condition compared with both the anticipation and safe conditions. Compared with controls, IBS subjects showed significantly larger startle responses during anticipation and imminent threat conditions after receiving an initial aversive stimulation. There were no group differences during the context threat manipulation. Moreover, in IBS patients but not controls, higher neuroticism was associated with larger startle responses during safe and anticipation conditions but not imminent threat, whereas anxiety symptoms were negatively associated with startle magnitude during imminent threat. Conclusions: Female IBS patients show increased startle responses to threat of aversive stimulation at both abdominal and nonabdominal sites compared with controls. The data represent the first demonstration of altered threat potentiated startle in a functional pain condition and provide support for the use of these paradigms in further evaluation of affective mechanisms in these disorders. ASR = acoustic startle response; IBS = irritable bowel syndrome; GI = gastrointestinal; HADS = Hospital Anxiety and Depression Scales; EPQ-N = Neuroticism scale from the Eysenck Personality Questionnaire; EMG = electromyogram; EOG = electrooculogram; SS = startle stimulus; IGCM = individual growth curve modeling; ANOVA = analysis of variance; ANCOVA = analysis of covariance.

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  • Selective attention to visceral sensations and heightened threat appraisals may maintain IBS symptoms even without present stressors.

    “Furthermore, selective attention to visceral sensations and heightened threat appraisals may maintain IBS symptoms in lieu of present stressors (Naliboff et al., 2008).”

    From Therapeutic mechanisms of a mindfulness-based treatment for IBS: effects on visceral sensitivity, catastrophizing, and affective processing of pain sensations. (2012) · cites this paper as Naliboff et al., 2008

    The Introduction links hypervigilance to GI sensations and symptom-specific fears with visceral hypersensitivity, which it says may underlie IBS discomfort. The Discussion links hypersensitivity to symptom generation, but does not establish that these processes maintain symptoms without present stressors; the heightened response observed in this study occurred in a threat context after aversive stimulation. (LLM, conf=0.84)

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Research works printed but not linked: 3

  1. [9]Berman SM Naliboff BD Suyenobu B Stains J Gordon W Bueller JA Ohning G Mayer EA Activations and deactivations of the human amygdala associated with visceral pain: an FMRI study J Neurosci 2008 28 349 359 18184777 PMC6670525
  2. [21]Singer JD Willet JB Applied longitudinal data analysis 2003 Oxford Oxford University Press
  3. [32]Bradley MM Cuthbert BN Lang PJ Dawson ME Schell AM Bohmelt AH Affect and the startle reflex Startle modification: implications for neuroscience, cognitive science, and clinical science 1999 New York Cambridge University Press 157 183

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Authors
Naliboff, B. D., Waters, A. M., Labus, J. S., Kilpatrick, L., Craske, M. G., Chang, L., Negoro, H., Ibrahimovic, H., Mayer, E. A., & Ornitz, E.
Affiliations
  • University of California, Los Angeles (US)
  • Griffith University (AU)
Corresponding author
Naliboff, Bruce D.
Venue
Psychosomatic Medicine
Published
2008-10
Volume
70
Issue
8
Pages
920-927
ISSN
0033-3174 (ISSN-L)
OpenAlex
W1992385330
Cited by
45
References
33
Citations by year
2024: 1 · 2022: 1 · 2021: 3 · 2020: 2 · 2018: 1 · 2017: 1 · 2016: 3 · 2015: 3 · 2014: 4 · 2013: 4 · 2012: 4
FWCI
5.80
Type
journal article
Language
en
Open access
Locations
  • Psychosomatic Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Griffith Research Online (submittedVersion)
Funders
  • National Institute of Nursing Research (R01NR007768, NR007768)
  • National Institute of Diabetes and Digestive and Kidney Diseases (K01DK085133, K08DK071626, R01DK048351, P50DK064539)
  • National Center for Complementary and Integrative Health (R24AT002681)
Topics
  • Health Sciences › Medicine › Gastroenterology › Gastrointestinal motility and disorders
  • Health Sciences › Medicine › Psychiatry and Mental health › Psychosomatic Disorders and Their Treatments
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Keywords
irritable bowel syndrome, acoustic startle response, visceral hypersensitivity, central hyperexcitability, stress, neuroticism, anxiety, abdominal pain, functional pain, blink reflex
MeSH terms
Abdominal Muscles, Acoustic Stimulation, Adult, Anxiety, Arousal, Blinking, Cues, Electric Stimulation, Electromyography, Electrooculography, Fear, Female, Humans, Isometric Contraction, Nociceptors, Colon, Sigmoid, Reflex, Startle, Pain Threshold, Irritable Bowel Syndrome, Young Adult

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