Spinal and supraspinal modulation of pain responses by hypnosis, suggestions, and distraction

Houzé, Bérengère; Streff, Anouk; Piché, Mathieu; Rainville, Pierre

doi:10.1080/00029157.2020.1863184

Cited by 7 publications

(9 citation statements)

References 61 publications

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“…As the task was executed without administration of LFS in the pre‐LFS phase, it appears that greater nonpain‐related sympathetic arousal, predicts less hypersensitivity. This builds on previous evidence showing that autonomic arousal elicited by cognitive stimuli does not only attenuate the acute pain perception (Houzé et al, 2021), but also reduces the development of hypersensitivity.…”

Section: Discussionsupporting

confidence: 79%

“…As more demanding cognitive tasks usually require greater effort, autonomic arousal increases with cognitive load (Kahneman, 1975; Mandrick et al, 2016; Mehler et al, 2012; Nourbakhsh et al, 2012). Houzé et al (2021) showed that a distraction task that increased autonomic responses resulted in pain reduction. Therefore, it can be hypothesized that higher nonpain‐related arousal during cognitive tasks also results in less hypersensitivity.…”

Section: Introductionmentioning

confidence: 99%

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The effect of high versus low cognitive load on the development of nociceptive hypersensitivity: The roles of sympathetic arousal, sex and pain‐related fear

Meyers

Vlaeyen

Broeke

et al. 2023

European Journal of Pain

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Background: According to limited-capacity theories of attention, less attentional resources remain available when engaging in a high-versus a low-demanding cognitive task. This may reduce the perceived intensity and the evoked cortical responses of concomitant nociceptive stimuli. Whether and how the competition for limited attentional resources between a cognitive task and pain impacts the development of long-lasting hypersensitivity is unclear.Methods: Eighty-four healthy participants were randomized into a low or high cognitive load group. Low-frequency electrical stimulation (LFS) of the skin was used to induce secondary hypersensitivity. We hypothesized that performing the high-load task during LFS would reduce the development of hypersensitivity. We examined whether painfulness, nonpain-related sympathetic arousal, or sex related to hypersensitivity, by assessing intensity and unpleasantness of mechanical pinprick stimulation. During task execution, we recorded steady-state evoked potentials evoked by LFS and skin conductance level for sympathetic arousal.Afterwards, participants reported task difficulty and LFS-related fear. For the primary outcomes, we used mixed analysis of variances. Results:The results confirmed the difference in cognitive load. Although LFS successfully induced hypersensitivity, the high-load task did not reduce its development. Next, the steady-state evoked potentials did not differ between groups.Hypersensitivity correlated positively with pain-related fear and negatively with skin conductance level before LFS, despite the lack of group differences in skin conductance level. We did not find any sex differences in hypersensitivity.Conclusions: These results do not confirm that high cognitive load or sex modulate hypersensitivity, but show associations with pain-related fear and non-painrelated sympathetic arousal.Significance: Previous research has mainly focused on cognitive load effects on the perception of acute painful stimuli. Yet this study extends our understanding by investigating cognitive load effects on the development of long-lasting secondary hypersensitivity, a common aspect in numerous persistent pain conditions.As cognitive tasks are presented during a painful procedure inducing secondary

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Section: Discussionsupporting

confidence: 79%

Section: Introductionmentioning

confidence: 99%

The effect of high versus low cognitive load on the development of nociceptive hypersensitivity: The roles of sympathetic arousal, sex and pain‐related fear

Meyers

Vlaeyen

Broeke

et al. 2023

European Journal of Pain

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“…In addition to this contradictory state of affairs, it should be noted that to date there are only a small number of experimental studies that have examined the effects of hypnosis on pain processing in conjunction with possible changes in brain electrical frequency bands (Croft et al, 2002 ; De Pascalis et al, 2004 ; Houzé et al, 2021 ). Croft et al ( 2002 ) investigated the relation between pain-related cortical oscillations (alpha, beta, gamma) and the subjective pain intensity in response to phasic painful stimuli in 33 subjects (16 lows, 17 highs) during three conditions: control, hypnosis, and hypnosis with hypnotic analgesia suggestions.…”

Section: Neurophysiological Correlates Of Pain Controlmentioning

confidence: 99%

“…Finally, a study by Houzé et al ( 2021 ) investigated the efficacy of suggestions given with and without hypnotic induction and compared hypnotic analgesia to a distraction condition. Noxious electrical stimulation was applied to the sural nerve and brain electrical recordings were analyzed in theta-band (0–500 ms, 3–7 Hz), reflecting the time domain related somatosensory potential, and for alpha-band desynchronization (ERD, 350–1,000 ms, 8–12 Hz).…”

Section: Neurophysiological Correlates Of Pain Controlmentioning

confidence: 99%

Neuroscientific results of experimental studies on the control of acute pain with hypnosis and suggested analgesia

Miltner,

Franz,

Naumann

2024

Front. Psychol.

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This narrative review summarizes a representative collection of electrophysiological and imaging studies on the neural processes and brain sources underlying hypnotic trance and the effects of hypnotic suggestions on the processing of experimentally induced painful events. It complements several reviews on the effect of hypnosis on brain processes and structures of chronic pain processing. Based on a summary of previous findings on the neuronal processing of experimentally applied pain stimuli and their effects on neuronal brain structures in healthy subjects, three neurophysiological methods are then presented that examine which of these neuronal processes and structures get demonstrably altered by hypnosis and can thus be interpreted as neuronal signatures of the effect of analgesic suggestions: (A) On a more global neuronal level, these are electrical processes of the brain that can be recorded from the cranial surface of the brain with magnetoencephalography (MEG) and electroencephalography (EEG). (B) On a second level, so-called evoked (EPs) or event-related potentials (ERPs) are discussed, which represent a subset of the brain electrical parameters of the EEG. (C) Thirdly, imaging procedures are summarized that focus on brain structures involved in the processing of pain states and belong to the main imaging procedures of magnetic resonance imaging (MRI/fMRI) and positron emission tomography (PET). Finally, these different approaches are summarized in a discussion, and some research and methodological suggestions are made as to how this research could be improved in the future.

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“…Among these approaches, research indicates that clinical hypnosis represents an efficient non-pharmacological intervention for pain management in various clinical populations suffering from chronic pain ( Langlois et al, 2022 ). Hypnotic interventions stand out for their ability to maintain its effects over an extended period of time based on a procedure that can simply reinstate suggestions for analgesia ( Houzé et al, 2021 ). Moreover, in addition to pain reduction, evidence shows that clinical hypnosis can also reduce anxiety, improve sleep, and enhance quality of life of patients ( Thompson et al, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

Make me more comfortable: effects of a hypnosis session on pain perception in chronic pain patients

Ogez,

Landry,

Caron-Trahan

et al. 2024

Front. Psychol.

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IntroductionApproximately one-quarter of Canadians experience chronic pain, a debilitating condition often necessitating opioid use, which raises concerns regarding dependency and overdose risks. As an alternative, we developed the HYlaDO program (Hypnose de la Douleur, hypnosis of Pain in French), a novel self-hypnosis approach for chronic pain management. The development of this program followed the ORBIT model, a comprehensive framework for designing interventions encompassing several phases ranging from design to efficacy assessment.MethodsIn the present work, we conducted a preliminary evaluation of the HYlaDO program with 21 participants (18 of the 21 patients were included in the analysis). The primary objective was to determine one session of the program’s effectiveness in altering pain, anxiety and relaxation via pre-post analysis. The secondary goal was to examine the long-term effects across the same measures, in addition to the overall quality of life.ResultsThe results highlight the benefits of our approach, while participants reported short-term significant pain reduction, decreased anxiety, and increased relaxation. Additionally, preliminary trends suggest improvements in physical activity and quality of life metrics.DiscussionThese positive outcomes highlight HYlaDO’s potential as an alternative to opioid therapy for chronic pain. Encouraged by these results, we aim to extend our research to a broader and more diverse cohort, paving the way for comprehensive randomized controlled trials. This expansion will further validate HYlaDO’s efficacy and its role in transforming chronic pain management.

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Spinal and supraspinal modulation of pain responses by hypnosis, suggestions, and distraction

Cited by 7 publications

References 61 publications

The effect of high versus low cognitive load on the development of nociceptive hypersensitivity: The roles of sympathetic arousal, sex and pain‐related fear

The effect of high versus low cognitive load on the development of nociceptive hypersensitivity: The roles of sympathetic arousal, sex and pain‐related fear

Neuroscientific results of experimental studies on the control of acute pain with hypnosis and suggested analgesia

Make me more comfortable: effects of a hypnosis session on pain perception in chronic pain patients

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