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Miltner WHR, Franz M, Naumann E. Neuroscientific results of experimental studies on the control of acute pain with hypnosis and suggested analgesia. Front Psychol 2024; 15:1371636. [PMID: 38638524 PMCID: PMC11025616 DOI: 10.3389/fpsyg.2024.1371636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 03/18/2024] [Indexed: 04/20/2024] Open
Abstract
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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Affiliation(s)
- Wolfgang H. R. Miltner
- Institute of Psychology, Friedrich Schiller University of Jena, Jena, Thuringia, Germany
| | - Marcel Franz
- Institute of Psychology, Friedrich Schiller University of Jena, Jena, Thuringia, Germany
| | - Ewald Naumann
- Institute of Psychology, University of Trier, Trier, Rhineland-Palatinate, Germany
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Formica C, Micchia K, Cartella E, De Salvo S, Bonanno L, Corallo F, Arcadi FA, Giorgianni R, Marra A, Bramanti P, Marino S. Analgesic hypnotic treatment in a post-stroke patient. AMERICAN JOURNAL OF CLINICAL HYPNOSIS 2021; 63:192-201. [PMID: 33617425 DOI: 10.1080/00029157.2020.1797622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
In recent years, hypnotic suggestions have been used in several clinical conditions. This treatment is often used for anxiety treatment, somatization, and post-traumatic stress disorder. Hypnotic analgesia is one of the most clinically useful phenomena of hypnosis. The article describes the case of a patient who underwent hypnotic treatments for hypersensitivity and chronic pain. Results showed an improvement of pain control and a decrease of pain hypersensibility. In addition, during rehabilitative treatments, the patient reported a high level of compliance with the multidisciplinary team. These findings suggest that hypnosis could be a useful treatment for post-stroke pain management.
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Affiliation(s)
- Caterina Formica
- IRCCS Centro Neurolesi Bonino Pulejo, Messina, Italy
- Biomedical Department of Internal Medicine and Medical Specialties, University of Palermo, Palermo, Italy
| | - Katia Micchia
- IRCCS Centro Neurolesi Bonino Pulejo, Messina, Italy
| | | | | | - Lilla Bonanno
- IRCCS Centro Neurolesi Bonino Pulejo, Messina, Italy
| | | | | | | | - Angela Marra
- IRCCS Centro Neurolesi Bonino Pulejo, Messina, Italy
| | | | - Silvia Marino
- IRCCS Centro Neurolesi Bonino Pulejo, Messina, Italy
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Abstract
Hypnotizability is a dispositional trait reflecting the individual ability to modify perception, memory and behavior according to imaginative suggestions. It is measured by validated scales that classify the general population in high (highs), medium (mediums) and low (lows) hypnotizable persons, predicts the individual proneness to respond to suggestions, and is particularly popular in the field of the cognitive control of pain and anxiety. Different hypnotizability levels, however, have been associated with specific brain morpho-functional characteristics and with peculiarities in the cognitive, sensorimotor and cardiovascular domains also in the ordinary state of consciousness and in the absence of specific suggestions. The present scoping review was undertaken to summarize the asymmetries observed in the phenomenology and physiological correlates of hypnosis and hypnotizability as possible indices of related hemispheric prevalence. It presents the findings of 137 papers published between 1974 and 2019. In summary, in the ordinary state of consciousness, behavioral, neurophysiological and neuroimaging investigations have revealed hypnotizability related asymmetries mainly consisting of pre-eminent left hemisphere information processing/activation in highs, and no asymmetries or opposite directions of them in lows. The described asymmetries are discussed in relation to the current theories of hypnotizability and hypnosis.
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Abstract
BACKGROUND Functional dyspepsia (FD) is one of the most frequent functional gastrointestinal disorders and is defined using the Rome IV criteria as any combination of the following symptoms: postprandial fullness, early satiety, epigastric pain, and epigastric burning that are severe enough to interfere with the usual activities and occur at least 3 days per week over the past 3 months with an onset of at least 6 months before the presentation. The purpose of this systematic review is to analyze all the relevant studies in the literature that investigate the efficiency of hypnotherapy in FD. AREAS OF UNCERTAINTY FD refractory to conservative treatment is a therapeutic challenge, and alternative treatment options are needed. Gut-oriented hypnotherapy has been reported an effective treatment for irritable bowel syndrome, but poorly tested in FD. DATA SOURCES We performed a search in 6 bibliographic databases (PubMed, Embase, Cochrane Library, Web of Science, Scopus, and LILACS) using customized search strategies for each engine. The search strategy included the following terms: (hypnosis, hypnotherapy, hypnotherapies, hypnogenesis, hypnotism, hypnotist, hypnotical suggestion, suggestion, and mesmerism) and {[functional and (dyspepsia or dyspeptic)] or FD}. RESULTS Taking the aforementioned criteria into account, the result was a review of 4 articles analyzing the efficacy of hypnotherapy in the treatment of FD, published in the past 20 years. The initial search identified 398 articles, of which 37 potentially appropriate articles were reviewed. Of these 37 articles, 4 articles were included in the review. The benefits observed by numerous studies go beyond the field of digestive pathology, patients describing a general improvement in physical and mental health. CONCLUSIONS Current studies analyzing the efficacy of hypnotherapy in FD provide encouraging data, but additional randomized controlled trials are needed before a firm position on the effectiveness of hypnosis in FD.
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Thompson T, Terhune DB, Oram C, Sharangparni J, Rouf R, Solmi M, Veronese N, Stubbs B. The effectiveness of hypnosis for pain relief: A systematic review and meta-analysis of 85 controlled experimental trials. Neurosci Biobehav Rev 2019; 99:298-310. [DOI: 10.1016/j.neubiorev.2019.02.013] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 02/11/2019] [Accepted: 02/17/2019] [Indexed: 10/27/2022]
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Trujillo-Rodríguez D, Faymonville ME, Vanhaudenhuyse A, Demertzi A. Hypnosis for cingulate-mediated analgesia and disease treatment. HANDBOOK OF CLINICAL NEUROLOGY 2019; 166:327-339. [PMID: 31731920 DOI: 10.1016/b978-0-444-64196-0.00018-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Hypnosis is a technique that induces changes in perceptual experience through response to specific suggestions. By means of functional neuroimaging, a large body of clinical and experimental studies has shown that hypnotic processes modify internal (self-awareness) as well as external (environmental awareness) brain networks. Objective quantifications of this kind permit the characterization of cerebral changes after hypnotic induction and its uses in the clinical setting. Hypnosedation is one such application, as it combines hypnosis with local anesthesia in patients undergoing surgery. The power of this technique lies in the avoidance of general anesthesia and its potential complications that emerge during and after surgery. Hypnosedation is associated with improved intraoperative comfort and reduced perioperative anxiety and pain. It ensures a faster recovery of the patient and diminishes the intraoperative requirements for sedative or analgesic drugs. Mechanisms underlying the modulation of pain perception under hypnotic conditions involve cortical and subcortical areas, mainly the anterior cingulate and prefrontal cortices as well as the basal ganglia and thalami. In that respect, hypnosis-induced analgesia is an effective and highly cost-effective alternative to sedation during surgery and symptom management.
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Affiliation(s)
- D Trujillo-Rodríguez
- Physiology of Cognition Research Lab, GIGA-Consciousness, GIGA Institute B34, University of Liège, Liège, Belgium
| | - M-E Faymonville
- Algology Department, Liège University Hospital and Sensation and Perception Research Group, GIGA-Consciousness, University of Liège, Liège, Belgium.
| | - A Vanhaudenhuyse
- Algology Department, Liège University Hospital and Sensation and Perception Research Group, GIGA-Consciousness, University of Liège, Liège, Belgium
| | - A Demertzi
- Physiology of Cognition Research Lab, GIGA-Consciousness, GIGA Institute B34, University of Liège, Liège, Belgium; Fonds National de la Recherche Scientifique, Brussels, Belgium
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Bhatt RR, Martin SR, Evans S, Lung K, Coates TD, Zeltzer LK, Tsao JC. The effect of hypnosis on pain and peripheral blood flow in sickle-cell disease: a pilot study. J Pain Res 2017; 10:1635-1644. [PMID: 28769584 PMCID: PMC5529094 DOI: 10.2147/jpr.s131859] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Background Vaso-occlusive pain crises (VOCs) are the “hallmark” of sickle-cell disease (SCD) and can lead to sympathetic nervous system dysfunction. Increased sympathetic nervous system activation during VOCs and/or pain can result in vasoconstriction, which may increase the risk for subsequent VOCs and pain. Hypnosis is a neuromodulatory intervention that may attenuate vascular and pain responsiveness. Due to the lack of laboratory-controlled pain studies in patients with SCD and healthy controls, the specific effects of hypnosis on acute pain-associated vascular responses are unknown. The current study assessed the effects of hypnosis on peripheral blood flow, pain threshold, tolerance, and intensity in adults with and without SCD. Subjects and methods Fourteen patients with SCD and 14 healthy controls were included. Participants underwent three laboratory pain tasks before and during a 30-minute hypnosis session. Peripheral blood flow, pain threshold, tolerance, and intensity before and during hypnosis were examined. Results A single 30-minute hypnosis session decreased pain intensity by a moderate amount in patients with SCD. Pain threshold and tolerance increased following hypnosis in the control group, but not in patients with SCD. Patients with SCD exhibited lower baseline peripheral blood flow and a greater increase in blood flow following hypnosis than controls. Conclusion Given that peripheral vasoconstriction plays a role in the development of VOC, current findings provide support for further laboratory and clinical investigations of the effects of cognitive–behavioral neuromodulatory interventions on pain responses and peripheral vascular flow in patients with SCD. Current results suggest that hypnosis may increase peripheral vasodilation during both the anticipation and experience of pain in patients with SCD. These findings indicate a need for further examination of the effects of hypnosis on pain and vascular responses utilizing a randomized controlled trial design. Further evidence may help determine unique effects of hypnosis and potential benefits of integrating cognitive–behavioral neuromodulatory interventions into SCD treatment.
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Affiliation(s)
- Ravi R Bhatt
- UCLA Pediatric Pain and Palliative Care Program, Division of Hematology-Oncology, Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Sarah R Martin
- UCLA Pediatric Pain and Palliative Care Program, Division of Hematology-Oncology, Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Subhadra Evans
- School of Psychology, Deakin University, Geelong, VIC, Australia
| | - Kirsten Lung
- UCLA Pediatric Pain and Palliative Care Program, Division of Hematology-Oncology, Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Thomas D Coates
- Department of Pediatrics, Keck School of Medicine, University of Southern California.,Children's Center for Cancer and Blood Diseases, Children's Hospital Los Angeles, Los Angeles, CA, USA
| | - Lonnie K Zeltzer
- UCLA Pediatric Pain and Palliative Care Program, Division of Hematology-Oncology, Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Jennie C Tsao
- UCLA Pediatric Pain and Palliative Care Program, Division of Hematology-Oncology, Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
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Jensen MP, Jamieson GA, Lutz A, Mazzoni G, McGeown WJ, Santarcangelo EL, Demertzi A, De Pascalis V, Bányai ÉI, Rominger C, Vuilleumier P, Faymonville ME, Terhune DB. New directions in hypnosis research: strategies for advancing the cognitive and clinical neuroscience of hypnosis. Neurosci Conscious 2017; 3:nix004. [PMID: 29034102 PMCID: PMC5635845 DOI: 10.1093/nc/nix004] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 02/24/2017] [Accepted: 03/01/2017] [Indexed: 12/22/2022] Open
Abstract
This article summarizes key advances in hypnosis research during the past two decades, including (i) clinical research supporting the efficacy of hypnosis for managing a number of clinical symptoms and conditions, (ii) research supporting the role of various divisions in the anterior cingulate and prefrontal cortices in hypnotic responding, and (iii) an emerging finding that high hypnotic suggestibility is associated with atypical brain connectivity profiles. Key recommendations for a research agenda for the next decade include the recommendations that (i) laboratory hypnosis researchers should strongly consider how they assess hypnotic suggestibility in their studies, (ii) inclusion of study participants who score in the middle range of hypnotic suggestibility, and (iii) use of expanding research designs that more clearly delineate the roles of inductions and specific suggestions. Finally, we make two specific suggestions for helping to move the field forward including (i) the use of data sharing and (ii) redirecting resources away from contrasting state and nonstate positions toward studying (a) the efficacy of hypnotic treatments for clinical conditions influenced by central nervous system processes and (b) the neurophysiological underpinnings of hypnotic phenomena. As we learn more about the neurophysiological mechanisms underlying hypnosis and suggestion, we will strengthen our knowledge of both basic brain functions and a host of different psychological functions.
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Affiliation(s)
- Mark P Jensen
- Department of Rehabilitation Medicine, University of Washington, Seattle, WA 98104, USA
| | - Graham A Jamieson
- School of Behavioural, Cognitive, and Social Sciences, University of New England, Armidale, Australia
| | | | | | - William J McGeown
- School of Psychological Sciences and Health, University of Strathclyde, UK
| | - Enrica L Santarcangelo
- Department of Translational Research and New Technologies, University of Pisa, Pisa, Italy
| | - Athena Demertzi
- Institut du Cerveau et de la Moelle épinière (ICM), Hôpital Pitié-Salpêtrière, Paris, France and Coma Science Group, GIGA Research, University and University hospital of Liège, Belgium
| | | | - Éva I Bányai
- Department of Psychology, University of Budapest, Budapest, Hungary
| | | | - Patrik Vuilleumier
- Department of Neuroscience, Laboratory for Behavioral Neurology and Imaging of Cognition, University of Geneva, Geneva, Switzerland
| | | | - Devin B Terhune
- Department of Psychology, Goldsmiths, University of London, London, UK
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Cardeña E. Helen Joan Crawford, 1943-2016. AMERICAN JOURNAL OF CLINICAL HYPNOSIS 2017; 59:339-341. [PMID: 28300513 DOI: 10.1080/00029157.2017.1282731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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10
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Jensen MP, Adachi T, Tomé-Pires C, Lee J, Osman ZJ, Miró J. Mechanisms of hypnosis: toward the development of a biopsychosocial model. Int J Clin Exp Hypn 2015; 63:34-75. [PMID: 25365127 PMCID: PMC4220267 DOI: 10.1080/00207144.2014.961875] [Citation(s) in RCA: 83] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Evidence supports the efficacy of hypnotic treatments, but there remain many unresolved questions regarding how hypnosis produces its beneficial effects. Most theoretical models focus more or less on biological, psychological, and social factors. This scoping review summarizes the empirical findings regarding the associations between specific factors in each of these domains and response to hypnosis. The findings indicate that (a) no single factor appears primary, (b) different factors may contribute more or less to outcomes in different subsets of individuals or for different conditions, and (c) comprehensive models of hypnosis that incorporate factors from all 3 domains may ultimately prove to be more useful than more restrictive models that focus on just 1 or a very few factors.
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11
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Del Casale A, Ferracuti S, Rapinesi C, Serata D, Caltagirone SS, Savoja V, Piacentino D, Callovini G, Manfredi G, Sani G, Kotzalidis GD, Girardi P. Pain perception and hypnosis: findings from recent functional neuroimaging studies. Int J Clin Exp Hypn 2015; 63:144-70. [PMID: 25719519 DOI: 10.1080/00207144.2015.1002371] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Hypnosis modulates pain perception and tolerance by affecting cortical and subcortical activity in brain regions involved in these processes. By reviewing functional neuroimaging studies focusing on pain perception under hypnosis, the authors aimed to identify brain activation-deactivation patterns occurring in hypnosis-modulated pain conditions. Different changes in brain functionality occurred throughout all components of the pain network and other brain areas. The anterior cingulate cortex appears to be central in modulating pain circuitry activity under hypnosis. Most studies also showed that the neural functions of the prefrontal, insular, and somatosensory cortices are consistently modified during hypnosis-modulated pain conditions. Functional neuroimaging studies support the clinical use of hypnosis in the management of pain conditions.
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Kihlstrom JF, Glisky ML, McGovern S, Rapcsak SZ, Mennemeier MS. Hypnosis in the right hemisphere. Cortex 2013; 49:393-9. [PMID: 22705266 PMCID: PMC3502707 DOI: 10.1016/j.cortex.2012.04.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2012] [Revised: 04/11/2012] [Accepted: 05/09/2012] [Indexed: 01/10/2023]
Abstract
Speculations about the neural substrates of hypnosis have often focused on the right hemisphere (RH), implying that RH damage should impair hypnotic responsiveness more than left-hemisphere (LH) damage. The present study examined the performance of a patient who suffered a stroke destroying most of his LH, on slightly modified versions of two hypnotizability scales. This patient was at least modestly hypnotizable, as indicated in particular by the arm rigidity and age regression items, suggesting that hypnosis can be mediated by the RH alone - provided that the language capacities normally found in the LH remain available. A further study of 16 patients with unilateral strokes of the LH or RH found no substantial differences in hypnotizability between the two groups. Future neuropsychological studies of hypnosis might explore the dorsal/ventral or anterior/posterior dichotomies, with special emphasis on the role of prefrontal cortex.
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Mazzoni G, Venneri A, McGeown WJ, Kirsch I. Neuroimaging resolution of the altered state hypothesis. Cortex 2013; 49:400-10. [DOI: 10.1016/j.cortex.2012.08.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2012] [Revised: 05/28/2012] [Accepted: 08/17/2012] [Indexed: 10/27/2022]
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Bhuvaneswar C, Spiegel D. An eye for an I: a 35-year-old woman with fluctuating oculomotor deficits and dissociative identity disorder. Int J Clin Exp Hypn 2013; 61:351-70. [PMID: 23679117 DOI: 10.1080/00207144.2013.784115] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Physiologic changes, including neurological or pseudo-neurological symptoms, occur across identity states in dissociative identity disorder DID) and can be objectively measured. The idea that dissociative phenomena might be associated with changes in brain function is consistent with research on the brain effects of hypnosis. The authors report a case of psycho-physiologic differences among 4 alter personalities manifested by a 35-year-old woman with DID. Differences in visual acuity, frequency of pendular nystagmus, and handedness were observed in this patient both when the alter personalities appeared spontaneously and when elicited under hypnosis. The authors consider several diagnostic possibilities for these findings and discuss whether prevailing treatment recommendations for DID patients could possibly be modified to ameliorate such visual and neurologic symptoms.
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Kihlstrom JF. Neuro-hypnotism: prospects for hypnosis and neuroscience. Cortex 2012; 49:365-74. [PMID: 22748566 DOI: 10.1016/j.cortex.2012.05.016] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2012] [Revised: 05/11/2012] [Accepted: 05/22/2012] [Indexed: 11/15/2022]
Abstract
The neurophysiological substrates of hypnosis have been subject to speculation since the phenomenon got its name. Until recently, much of this research has been geared toward understanding hypnosis itself, including the biological bases of individual differences in hypnotizability, state-dependent changes in cortical activity occurring with the induction of hypnosis, and the neural correlates of response to particular hypnotic suggestions (especially the clinically useful hypnotic analgesia). More recently, hypnosis has begun to be employed as a method for manipulating subjects' mental states, both cognitive and affective, to provide information about the neural substrates of experience, thought, and action. This instrumental use of hypnosis is particularly well-suited for identifying the neural correlates of conscious and unconscious perception and memory, and of voluntary and involuntary action.
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Derbyshire SW, Whalley MG, Oakley DA. Fibromyalgia pain and its modulation by hypnotic and non-hypnotic suggestion: An fMRI analysis. Eur J Pain 2012; 13:542-50. [DOI: 10.1016/j.ejpain.2008.06.010] [Citation(s) in RCA: 100] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2008] [Revised: 06/02/2008] [Accepted: 06/12/2008] [Indexed: 12/25/2022]
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Wik G, Fischer H, Bragée B, Finer B, Fredrikson M. Functional anatomy of hypnotic analgesia: A PET study of patients with fibromyalgia. Eur J Pain 2012. [DOI: 10.1016/s1090-3801(99)90183-0] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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Uslu T, Ilhan A, Ozcan O, Turkoglu D, Ersoy A, Celik E. Cerebral blood flow evaluation during the hypnotic state with transcranial Doppler sonography. Int J Clin Exp Hypn 2012; 60:81-7. [PMID: 22098571 DOI: 10.1080/00207144.2011.622202] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
Abstract
Cerebral blood flow was measured in normal waking (alert relaxed mental imagery) and hypnotic states. Mean flow velocity (Vm) in the middle cerebral artery (MCA) was significantly increased in hypnosis (Condition II) from Condition I (5 minutes before hypnotic induction). Vm decreased in Condition III (hypnotic imagination). After hypnosis, Vm values returned to baseline. Pulsatility index values and resistive index values showed significant variations during sonographic monitoring between Conditions I and IV (5 minutes after the completion of hypnosis). Both values were significantly higher in Condition I than IV. These findings show that hypnotic status can modulate cerebral blood flow.
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Affiliation(s)
- Turan Uslu
- Fatih Sultan Mehmet Training and Research Hospital, Istanbul, Turkey
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Del Casale A, Ferracuti S, Rapinesi C, Serata D, Sani G, Savoja V, Kotzalidis GD, Tatarelli R, Girardi P. Neurocognition under hypnosis: findings from recent functional neuroimaging studies. Int J Clin Exp Hypn 2012; 60:286-317. [PMID: 22681327 DOI: 10.1080/00207144.2012.675295] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Functional neuroimaging studies show that hypnosis affects attention by modulating anterior cingulate cortex activation and uncoupling conflict monitoring and cognitive control function. Considering functional changes in the activation of the occipital and temporal cortices, precuneus, and other extrastriate visual areas, which account for hypnosis-induced altered reality perception, the role of mental imagery areas appears to be central under hypnosis. This is further stressed by the fact that motor commands are processed differently in the normal conscious state, deviating toward the precuneus and extrastriate visual areas. Functional neuroimaging also shows that posthypnotic suggestions alter cognitive processes. Further research should investigate the effects of hypnosis on other executive functions and personality measures.
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Affiliation(s)
- Antonio Del Casale
- University of Rome La Sapienza, School of Medicine and Psychology, NESMOS Department (Neurosciences, MentalHealth, and Sensory Organs), Saint Andrea Hospital, Via di Grottarossa 1035-1039, 00189 Rome, Italy.
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Abstract
Theoretical positions on the altered-state issue are viewed on a continuum rather than a dichotomy. While differences between some pairs of positions have little or no substantive interest, others are important to understanding the nature of hypnotic phenomena. Recent brain imaging data from the University of Hull are reviewed with respect to their implications concerning the existence and functional significance of the hypothesized hypnotic state.
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Affiliation(s)
- Irving Kirsch
- Department of Psychology, University of Hull, Hull, HU6 7RX, United Kingdom.
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Abstract
Chronic abdominal pain is a common pediatric condition affecting 20% of the pediatric population worldwide. Most children with this disorder are found to have no specific organic etiology and are given the diagnosis of functional abdominal pain. Well-designed clinical trials have found hypnotherapy and guided imagery to be the most efficacious treatments for this condition. Hypnotic techniques used for other somatic symptoms are easily adaptable for use with functional abdominal pain. The author discusses 2 contrasting hypnotic approaches to functional abdominal pain and provides implications for further research. These approaches may provide new insights into this common and complex disorder.
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Top-down and bottom-up mechanisms in mind-body medicine: development of an integrative framework for psychophysiological research. Explore (NY) 2010; 6:29-41. [PMID: 20129310 DOI: 10.1016/j.explore.2009.10.004] [Citation(s) in RCA: 121] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2009] [Indexed: 12/15/2022]
Abstract
It has become increasingly evident that bidirectional ("top-down and bottom-up") interactions between the brain and peripheral tissues, including the cardiovascular and immune systems, contribute to both mental and physical health. Therapies directed toward addressing functional links between mind/brain and body may be particularly effective in treating the range of symptoms associated with many chronic diseases. In this paper, we describe the basic components of an integrative psychophysiological framework for research aimed at elucidating the underlying substrates of mind-body therapies. This framework recognizes the multiple levels of the neuraxis at which mind-body interactions occur. We emphasize the role of specific fronto-temporal cortical regions in the representation and control of adverse symptoms, which interact reciprocally with subcortical structures involved in bodily homeostasis and responses to stress. Bidirectional autonomic and neuroendocrine pathways transmit information between the central nervous system and the periphery and facilitate the expression of affective, autonomic, hormonal, and immune responses. We propose that heart rate variability (HRV) and markers of inflammation are important currently available indices of central-peripheral integration and homeostasis within this homeostatic network. Finally, we review current neuroimaging and psychophysiological research from diverse areas of mind-body medicine that supports the framework as a basis for future research on the specific biobehavioral mechanisms of mind-body therapies.
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Hollander HE. ECEM (Eye Closure, Eye Movements): application to depersonalization disorder. AMERICAN JOURNAL OF CLINICAL HYPNOSIS 2009; 52:95-109. [PMID: 19862896 DOI: 10.1080/00029157.2009.10401701] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Eye Closure, Eye Movements (ECEM) is a hypnotically-based approach to treatment that incorporates eye movements adapted from the Eye Movement Desensitization and Reprocessing (EMDR) protocol in conjunction with hypnosis for the treatment of depersonalization disorder. Depersonalization Disorder has been differentiated from post-traumatic stress disorders and has recently been conceptualized as a subtype of panic disorder (Baker et al., 2003; David, Phillips, Medford, & Sierra, 2004; Segui et. al., 2000). During ECEM, while remaining in a hypnotic state, clients self-generated six to seven trials of eye movements to reduce anticipatory anxiety associated with depersonalization disorder. Eye movements were also used to process triggers that elicited breath holding, often followed by episodes of depersonalization. Hypnotic suggestions were used to reverse core symptoms of depersonalization, subjectively described as "feeling unreal" (Simeon et al., 1997).
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Casiglia E, Schiavon L, Tikhonoff V, Haxhi Nasto H, Azzi M, Rempelou P, Giacomello M, Bolzon M, Bascelli A, Scarpa R, Lapenta AM, Rossi AM. Hypnosis prevents the cardiovascular response to cold pressor test. AMERICAN JOURNAL OF CLINICAL HYPNOSIS 2007; 49:255-66. [PMID: 17444363 DOI: 10.1080/00029157.2007.10524503] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
To highlight the effects of hypnotic focused analgesia (HFA), 20 healthy participants underwent a cold pressor test (CPT) in waking basal conditions (WBC) by keeping the right hand in icy water until tolerable (pain tolerance); subjective pain was quantified by visual scale immediately before extracting the hand from water. The test was then repeated while the participants were under hypnosis and underwent HFA suggestions. Cardiovascular parameters were continuously monitored. Pain tolerance was 121.5+/-96.1 sec in WBC and 411.0+/-186.7 sec during HFA (p < 0.0001), and visual rating score 7.75+/-2.29 and 2.45+/-2.98 (p < 0.0001), respectively. CPT-induced increase of total peripheral resistance was non significant during HFA and +21% (p < 0.01) in WBC. HFA therefore reduced both perception and the reflex cardiovascular consequences of pain as well. This indicates that hypnotic analgesia implies a decrease of sensitivity and/or a block of transmission of painful stimuli, with depression of the nervous reflex arc.
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Affiliation(s)
- Edoardo Casiglia
- Department of Clinical and Experimental Medicine, University of Padova, Via Giustiniani No. 2, Padova, Italy.
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De Vos HM, Louw DA. The effect of hypnotic training programs on the academic performance of students. AMERICAN JOURNAL OF CLINICAL HYPNOSIS 2006; 49:101-12. [PMID: 17059124 DOI: 10.1080/00029157.2006.10401562] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The main objective of the present study was to empirically verify the effect of hypnotic training programs on the academic performance of students. A pre and posttest design was used. Two experimental and two control groups (total sample N=119) of volunteer second year psychology students at the University of Stellenbosch in South Africa comprised the sample. One of the experimental groups was exposed to active alert hypnosis and the other to relaxation hypnosis. One control group was exposed to progressive relaxation, while the other did not receive any intervention. The participants' April grades were used as a pretest, while their June grades served as a posttest. The two hypnotic training programs had a significant effect on the academic achievement of the participants, which was not found in the control groups. Regarding the efficacy of the two programs, however, no significant difference was found.
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Affiliation(s)
- H M De Vos
- Department of Psychology, University of the Free State, P.O. Box 339, Bloemfontein, 9300, South Africa
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Gruzelier J, Gray M, Horn P. The involvement of frontally modulated attention in hypnosis and hypnotic susceptibility: cortical evoked potential evidence. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/ch.256] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Benedittis GD. Understanding the multidimensional mechanisms of hypnotic analgesia. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/ch.267] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Hasegawa H, Jamieson GA. Conceptual issues in hypnosis research: explanations, definitions and the state/non-state debate. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/ch.247] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Kallio S, Revonsuo A. Hypnotic phenomena and altered states of consciousness: a multilevel framework of description and explanation. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/ch.273] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Woody E, Szechtman H. Hypnotic hallucinations: towards a biology of epistemology. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/ch.186] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Crawford HJ, Knebel T, Vendemia JM. The nature of hypnotic analgesia: neurophysiological foundation and evidence. ACTA ACUST UNITED AC 2006. [DOI: 10.1002/ch.113] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Séfiani T, Uscain M, Sany JL, Grousseau D, Marchand P, Villate D, Vincent JL. [Laparoscopy under local anaesthesia and hypnoanaesthesia about 35 cholecystectomies and 15 inguinal hernia repair]. ACTA ACUST UNITED AC 2005; 23:1093-101. [PMID: 15581727 DOI: 10.1016/j.annfar.2004.08.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2003] [Accepted: 08/30/2004] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To present hypnosedation and the feasibility of this technique performed for laparoscopic procedure. STUDY DESIGN Retrospective and descriptive study of feasibility. PATIENTS AND METHODS Hypnosis can significantly reduce intraoperative requirements of intravenous sedation for surgery under local anaesthesia. Modifications of surgical procedure: laparoscopic surgery under local anaesthesia and hypnosis is performed using a subcutaneous lifting of anterior abdominal wall. Insufflation is only use to push out smoke. If patient or surgical uncomfort happens, moral contract with patient includes convert to general anaesthesia. RESULTS We performed 35 cholecystectomies; 13 needed convert to general anaesthesia, mainly for peritoneal pain induced by CO(2) insufflation; 22 procedures were completed with patients' satisfaction. Upon 15-hernia repairs, only one patient needed convert to general anaesthesia, for dissection difficulty. CONCLUSION Probably hypnosis can't be extent to intraperitoneal laparoscopic procedures. On the other hand interest of hypnosis performed for extraperitoneal laparoscopic hernia repair must be explore.
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Affiliation(s)
- T Séfiani
- Service d'anesthésie, centre hospitalier de Saint-Junien, 87200 Saint-Junien, France
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Apkarian AV, Bushnell MC, Treede RD, Zubieta JK. Human brain mechanisms of pain perception and regulation in health and disease. Eur J Pain 2005; 9:463-84. [PMID: 15979027 DOI: 10.1016/j.ejpain.2004.11.001] [Citation(s) in RCA: 2073] [Impact Index Per Article: 109.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2004] [Accepted: 11/02/2004] [Indexed: 12/31/2022]
Abstract
CONTEXT The perception of pain due to an acute injury or in clinical pain states undergoes substantial processing at supraspinal levels. Supraspinal, brain mechanisms are increasingly recognized as playing a major role in the representation and modulation of pain experience. These neural mechanisms may then contribute to interindividual variations and disabilities associated with chronic pain conditions. OBJECTIVE To systematically review the literature regarding how activity in diverse brain regions creates and modulates the experience of acute and chronic pain states, emphasizing the contribution of various imaging techniques to emerging concepts. DATA SOURCES MEDLINE and PRE-MEDLINE searches were performed to identify all English-language articles that examine human brain activity during pain, using hemodynamic (PET, fMRI), neuroelectrical (EEG, MEG) and neurochemical methods (MRS, receptor binding and neurotransmitter modulation), from January 1, 1988 to March 1, 2003. Additional studies were identified through bibliographies. STUDY SELECTION Studies were selected based on consensus across all four authors. The criteria included well-designed experimental procedures, as well as landmark studies that have significantly advanced the field. DATA SYNTHESIS Sixty-eight hemodynamic studies of experimental pain in normal subjects, 30 in clinical pain conditions, and 30 using neuroelectrical methods met selection criteria and were used in a meta-analysis. Another 24 articles were identified where brain neurochemistry of pain was examined. Technical issues that may explain differences between studies across laboratories are expounded. The evidence for and the respective incidences of brain areas constituting the brain network for acute pain are presented. The main components of this network are: primary and secondary somatosensory, insular, anterior cingulate, and prefrontal cortices (S1, S2, IC, ACC, PFC) and thalamus (Th). Evidence for somatotopic organization, based on 10 studies, and psychological modulation, based on 20 studies, is discussed, as well as the temporal sequence of the afferent volley to the cortex, based on neuroelectrical studies. A meta-analysis highlights important methodological differences in identifying the brain network underlying acute pain perception. It also shows that the brain network for acute pain perception in normal subjects is at least partially distinct from that seen in chronic clinical pain conditions and that chronic pain engages brain regions critical for cognitive/emotional assessments, implying that this component of pain may be a distinctive feature between chronic and acute pain. The neurochemical studies highlight the role of opiate and catecholamine transmitters and receptors in pain states, and in the modulation of pain with environmental and genetic influences. CONCLUSIONS The nociceptive system is now recognized as a sensory system in its own right, from primary afferents to multiple brain areas. Pain experience is strongly modulated by interactions of ascending and descending pathways. Understanding these modulatory mechanisms in health and in disease is critical for developing fully effective therapies for the treatment of clinical pain conditions.
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Affiliation(s)
- A Vania Apkarian
- Department of Physiology, Northwestern University Medical School, 303 E. Chicago Avenue, Ward 5-003, Chicago, IL 60611, USA.
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Patterson DR, Hoffman HG, Weichman SA, Jensen MP, Sharar SR. Optimizing control of pain from severe burns: a literature review. AMERICAN JOURNAL OF CLINICAL HYPNOSIS 2004; 47:43-54. [PMID: 15376608 DOI: 10.1080/00029157.2004.10401474] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- David R Patterson
- University of Washington School of Medicine, Harborview Medical Center 325 Ninth Ave., Box 359740 Seattle, WA 98104-2499, USA
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Abstract
Two aspects of Buddhist meditation--concentration and mindfulness--are discussed in relationship to hypnosis. Mindfulness training facilitates the investigation of subjective responses to hypnosis. Concentration practice leads to altered states similar to those in hypnosis, both phenomenologically and neurologically. The similarities and differences between hypnosis and meditation are used to shed light on perennial questions: (1) Does hypnosis involve an altered state of consciousness? (2) Does a hypnotic induction increase suggestibility? I conclude that a model for hypnosis should include altered states as well as capacity for imaginative involvement and expectations.
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Sala Payá J. [Hypnosis as a treatment of pain]. Med Clin (Barc) 2003; 121:219-20. [PMID: 12882733 DOI: 10.1016/s0025-7753(03)73911-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Dietrich A. Functional neuroanatomy of altered states of consciousness: the transient hypofrontality hypothesis. Conscious Cogn 2003; 12:231-56. [PMID: 12763007 DOI: 10.1016/s1053-8100(02)00046-6] [Citation(s) in RCA: 211] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
It is the central hypothesis of this paper that the mental states commonly referred to as altered states of consciousness are principally due to transient prefrontal cortex deregulation. Supportive evidence from psychological and neuroscientific studies of dreaming, endurance running, meditation, daydreaming, hypnosis, and various drug-induced states is presented and integrated. It is proposed that transient hypofrontality is the unifying feature of all altered states and that the phenomenological uniqueness of each state is the result of the differential viability of various frontal circuits. Using an evolutionary approach, consciousness is conceptualized as hierarchically ordered cognitive function. Higher-order structures perform increasingly integrative functions and thus contribute more sophisticated content. Although this implies a holistic approach to consciousness, such a functional hierarchy localizes the most sophisticated layers of consciousness in the zenithal higher-order structure: the prefrontal cortex. The hallmark of altered states of consciousness is the subtle modification of behavioral and cognitive functions that are typically ascribed to the prefrontal cortex. The theoretical framework presented yields a number of testable hypotheses.
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Affiliation(s)
- Arne Dietrich
- Department of Psychology, Behavioral Neuroscience Laboratory, Georgia College and State University, Milledgeville, GA 31061, USA.
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Ginandes C, Brooks P, Sando W, Jones C, Aker J. Can medical hypnosis accelerate post-surgical wound healing? Results of a clinical trial. AMERICAN JOURNAL OF CLINICAL HYPNOSIS 2003; 45:333-51. [PMID: 12722936 DOI: 10.1080/00029157.2003.10403546] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Although medical hypnosis has a long history of myriad functional applications (pain reduction, procedural preparation etc.), it has been little tested for site-specific effects on physical healing per se. In this randomized controlled trial, we compared the relative efficacy of an adjunctive hypnotic intervention, supportive attention, and usual care only on early post-surgical wound healing. Eighteen healthy women presenting consecutively for medically recommended reduction mammaplasty at an ambulatory surgery practice underwent the same surgical protocol and postoperative care following preoperative randomization (n = 6 each) to one of the three treatment conditions: usual care, 8 adjunctive supportive attention sessions, or 8 adjunctive hypnosis sessions targeting accelerated wound healing. The primary outcome data of interest were objective, observational measures of incision healing made at 1,7 weeks postoperatively by medical staff blind to the participants' group assignments. Data included clinical exams and digitized photographs that were scored using a wound assessment inventory (WAI). Secondary outcome measures included the participants' subjectively rated pain, perceived incision healing (VAS Scales), and baseline and post-surgical functional health status (SF-36). Analysis of variance showed the hypnosis group's objectively observed wound healing to be significantly greater than the other two groups', p < .001, through 7 postoperative weeks; standard care controls showed the smallest degree of healing. In addition, at both the 1 and 7 week post-surgical observation intervals, one-way analyses showed the hypnosis group to be significantly more healed than the usual care controls, p < 0.02. The mean scores of the subjective assessments of postoperative pain, incision healing and functional recovery trended similarly. Results of this preliminary trial indicate that use of a targeted hypnotic intervention can accelerate postoperative wound healing and suggest that further tests of using hypnosis to augment physical healing are warranted.
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Affiliation(s)
- Carol Ginandes
- Department of Psychology, Harvard Medical School, McLean Hospital, 115 Mill Street Belmont, MA 02478, USA.
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41
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Abstract
The implications and effects of the French commission that passed judgment on Mesmer's work is examined in light of the pioneering role of hypnosis as the first Western conception of a psychotherapy, the ancient philosophical debate between idealism and empiricism, and the conflict in modern medicine between biotechnological emphasis on cure and the need for care as many previously terminal illnesses are converted to chronic diseases. The panel's report is interpreted as negative about the literal theory of animal magnetism but actually supportive of the potential therapeutic power of suggestion and "positive thinking." This aspect of hypnosis is described as a forerunner of modern cognitive therapies of depression and other illnesses. The panel exerted a constructive effect in applying scientific method and rigorous evaluation to hypnotic treatment, an application of Enlightenment philosophy that presaged the Flexner era in modern medicine. Both hypnosis and medicine ultimately benefited.
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Affiliation(s)
- David Spiegel
- Stanford University School of Medicine, California 94305-5718, USA.
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Ray WJ, Keil A, Mikuteit A, Bongartz W, Elbert T. High resolution EEG indicators of pain responses in relation to hypnotic susceptibility and suggestion. Biol Psychol 2002; 60:17-36. [PMID: 12100843 DOI: 10.1016/s0301-0511(02)00029-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
In this report we use a dense array (129 electrodes) EEG procedure to examine the effects of hypnotic susceptibility and hypnotic suggestions on electrocortical and self-report measures of painful stimuli. Self-report and event-related potential measures of six high and six low hypnotic susceptible individuals in response to pain were examined during an initial baseline condition and following a standard hypnotic induction under suggestions to either increase (hyperalgesia) or decrease (hypoalgesia) the painful stimulation. Our results show that high and low hypnotically susceptible individuals: (1) show few self-report or psychophysiological differences in response to baseline pain stimuli; (2) report differential pain experiences depending on hypnotic suggestions and (3) display differential psychophysiological indicators following an hypnotic induction with a suggestion of hypoalgesia. Overall, the findings suggest that hypnotic suggestions with high susceptible individuals modulate the later components of the evoked potential in a global manner and point up the importance of using both high and low hypnotically susceptible individuals preceding and following an hypnotic induction.
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Affiliation(s)
- William J Ray
- Department of Psychology, Penn State University, University Park, PA 16802, USA.
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Gracely RH, Petzke F, Wolf JM, Clauw DJ. Functional magnetic resonance imaging evidence of augmented pain processing in fibromyalgia. ARTHRITIS AND RHEUMATISM 2002; 46:1333-43. [PMID: 12115241 DOI: 10.1002/art.10225] [Citation(s) in RCA: 805] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To use functional magnetic resonance imaging (fMRI) to evaluate the pattern of cerebral activation during the application of painful pressure and determine whether this pattern is augmented in patients with fibromyalgia (FM) compared with controls. METHODS Pressure was applied to the left thumbnail beds of 16 right-handed patients with FM and 16 right-handed matched controls. Each FM patient underwent fMRI while moderately painful pressure was being applied. The functional activation patterns in FM patients were compared with those in controls, who were tested under 2 conditions: the "stimulus pressure control" condition, during which they received an amount of pressure similar to that delivered to patients, and the "subjective pain control" condition, during which the intensity of stimulation was increased to deliver a subjective level of pain similar to that experienced by patients. RESULTS Stimulation with adequate pressure to cause similar pain in both groups resulted in 19 regions of increased regional cerebral blood flow in healthy controls and 12 significant regions in patients. Increased fMRI signal occurred in 7 regions common to both groups, and decreased signal was observed in 1 common region. In contrast, stimulation of controls with the same amount of pressure that caused pain in patients resulted in only 2 regions of increased signal, neither of which coincided with a region of activation in patients. Statistical comparison of the patient and control groups receiving similar stimulus pressures revealed 13 regions of greater activation in the patient group. In contrast, similar stimulus pressures produced only 1 region of greater activation in the control group. CONCLUSION The fact that comparable subjectively painful conditions resulted in activation patterns that were similar in patients and controls, whereas similar pressures resulted in no common regions of activation and greater effects in patients, supports the hypothesis that FM is characterized by cortical or subcortical augmentation of pain processing.
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Affiliation(s)
- Richard H Gracely
- National Institute of Dental and Craniofacial Research, NIH, Bethesda, Maryland, USA
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Kallio S, Revonsuo A, Hämäläinen H, Markela J, Gruzelier J. Anterior brain functions and hypnosis: a test of the frontal hypothesis. Int J Clin Exp Hypn 2001; 49:95-108. [PMID: 11294121 DOI: 10.1080/00207140108410061] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Neuropsychological frontal lobe tests were used to compare individuals with high (n = 8) and low (n = 9) hypnotizability during both baseline and hypnosis conditions. Subjects were assessed on two hypnotic susceptibility scales and a test battery that included the Stroop test, word fluency to letter- and semantic-designated categories, tests of simple reaction time and choice reaction time, a vigilance task, and a questionnaire of 40 self-descriptive statements of focused attention. Effects for hypnotic susceptibility and hypnosis/control conditions were scant across the dependent variables. High hypnotizables scored higher on the questionnaire at baseline, and their performance on the word-fluency task during hypnosis was reduced to a greater extent than lows. Findings indicate that although the frontal area may play an important role regarding hypnotic response, the mechanisms seem to be much more complex than mere general inhibition.
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Hollander HE, Bender SS. ECEM (eye closure eye movements): integrating aspects of EMDR with hypnosis for treatment of trauma. AMERICAN JOURNAL OF CLINICAL HYPNOSIS 2001; 43:187-202. [PMID: 11269624 DOI: 10.1080/00029157.2001.10404276] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The paper addresses distinctions between hypnotic interventions and Eye Movement Desensitizing and Reprocessing (EMDR) and discusses their effect on persons who have symptoms of Posttraumatic Stress Disorder (PTSD). Eye movements in hypnosis and EMDR are considered in terms of the different ways they may affect responses in treatment. A treatment intervention within hypnosis called ECEM (Eye Closure, Eye Movements) is described. ECEM can be used for patients with histories of trauma who did not benefit adequately from either interventions in hypnosis or the EMDR treatment protocol used separately. In ECEM the eye movement variable of EMDR is integrated within a hypnosis protocol to enhance benefits of hypnosis and reduce certain risks of EMDR.
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Affiliation(s)
- H E Hollander
- University of Medicine and Dentistry of New Jersey, USA
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Owens JE, Taylor AG, Degood D. Complementary and alternative medicine and psychologic factors: toward an individual differences model of complementary and alternative medicine use and outcomes. J Altern Complement Med 1999; 5:529-41. [PMID: 10630347 DOI: 10.1089/acm.1999.5.529] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
CONTEXT Complementary and alternative medicine (CAM) is in widespread use. Study of the psychologic factors associated with CAM use may provide descriptions of subgroups of health care consumers and give further insight into the reasons for using alternative therapies. OBJECTIVES To see if the use of CAM is associated with psychologic factors in two outpatient samples and one community sample. SETTING The University of Virginia Hospital and Charlottesville community. PATIENTS Patients at the Cancer Center (60) and Pain Management Center (63) and adults from the Charlottesville community (63) for a total of 186 participants. DESIGN A survey of CAM with psychologic assessment. MAIN MEASURES Level of CAM use, effectiveness ratings of CAM, positive affect, negative affect, and the Absorption Scale, which measures a personality factor associated with the capacity for focused attention and mind-body awareness. RESULTS Participants using six or fewer CAM scored an average of 13.9 on the Absorption Scale compared to participants using seven or more CAM, who scored an average of 21.4 on Absorption (F = 48.73, p < .0001). Higher effectiveness ratings of CAM were associated with greater positive affect. Pain Center patients rated alternative therapies as least effective, and reported lower positive affect and greater negative affect compared with the Cancer Center patients and community adults. CONCLUSIONS Above average use of CAM is associated with higher education, greater well-being and higher Absorption. The personality traits associated with alternative therapies are compatible with participation in these therapies and may facilitate the capacity to benefit from them.
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Affiliation(s)
- J E Owens
- Center for the Study of Complementary and Alternative Therapies, School of Nursing, University of Virginia Health System, Charlottesville 22903-3320, USA
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Abstract
Hysterical paralysis is an unusual diagnosis, requiring the physician to infer the intentional stance of the patient when the latter fails to act. This paper argues that the distinction between ''hysterical'' and ''feigned'' disorders cannot be currently justified on the basis of objective criteria. The physical ''signs'' of hysterical paralyses are those of voluntary motor inconsistency. The patient fails to perform certain acts, whereas others, utilising the same muscle groups, are preserved. Hence, hysterical paralyses are essentially disorders of action, themselves the product of abnormalities of mind, ''will'', or the intention to deceive (the ''self'' or the ''other''). The role of the psychodynamic unconscious in the maintenance of hysterical paralyses is problematic; their maintenance requires the patient's conscious attention: They remit with sedation and distraction. Although functional neuroimaging studies of these symptoms have been preliminary, they may eventually reveal an objective pathophysiology of the disordered ''will'', and a contrasting functional anatomy of the intentionally feigned symptom.
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Affiliation(s)
- S A Spence
- Imperial College School of Medicine, MRC Cyclotron Unit, Hammersmith Hospital, London, UK
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Rainville P, Carrier B, Hofbauer RK, Bushnell CM, Duncan GH. Dissociation of sensory and affective dimensions of pain using hypnotic modulation. Pain 1999; 82:159-171. [PMID: 10467921 DOI: 10.1016/s0304-3959(99)00048-2] [Citation(s) in RCA: 383] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Understanding the complex nature of pain perception requires the ability to separately analyze its psychological dimensions and their interaction, and relate them to specific variables and responses. The present study, therefore, attempted to selectively modulate the sensory and affective dimensions of pain, using a cognitive intervention, and to assess the possible relationship between these psychological dimensions of pain and changes in physiological responses to the noxious stimuli. In three experiments, normal subjects trained in hypnosis rated pain intensity and pain unpleasantness produced by a tonic heat-pain stimulus (1-min immersion of the hand in 45.0-47.5 degrees C water). Two experiments were designed to test hypnotic suggestions to decrease (Experiment one (Section 2.5.1)), or increase and decrease (Experiment two (Section 2.5.2)) pain affect. Suggestions in Experiment three (Section 2.5.3) were directed towards an increase or decrease in pain sensation. In Experiments one and two (Sections 2.5.1 and 2.5.2), the significant modulation in pain unpleasantness ratings was largely independent of variations in perceived pain intensity. Moreover, in Experiment two (Section 2.5.2), there was a significant correlation between the stimulus-evoked heart-rate increase and ratings of pain unpleasantness, but not of pain intensity, suggesting a direct functional interaction between pain affect and autonomic activation. In Experiment three (Section 2.5.3), suggestions to modulate the sensory aspect of pain produced significant modulation of pain intensity ratings, with secondary changes in pain unpleasantness ratings. Hypnotic susceptibility (Stanford Hypnotic Susceptibility Scale form A) was specifically correlated to pain unpleasantness modulation in Experiment two (Section 2.5.2) and to pain intensity modulation in Experiment three (Section 2.5.3), suggesting that this factor relates to the primary process toward which hypnotic suggestions are directed. The specific pain dimension on which hypnotic suggestions act depends on the content of the instructions and is not a characteristic of hypnosis itself. Results are consistent with a successive-stage model of pain perception (e.g. Wade JB, Dougherty LM, Archer CR, Price DD. Assessing the stages of pain processing: a multivariate analytical approach. Pain 1996;68:157-167) which provides a conceptual framework necessary to study the cerebral representation of pain perception.
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Affiliation(s)
- Pierre Rainville
- Département de Psychologie, Université de Montréal, Montréal, Québec H3C 3J7, Canada Département de Stomatologie, Faculté de Médecine Dentaire, Université de Montréal, Montréal, Québec H3C 3J7, Canada Centre de Recherche en Sciences Neurologiques, Université de Montréal, Montréal, Québec H3C 3J7, Canada Department of Anesthesia, McGill University, Montréal, Canada Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, 3801 University Street, Room 122, Montréal, Quebec H3A 2B4, Canada
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Bushnell MC, Duncan GH, Hofbauer RK, Ha B, Chen JI, Carrier B. Pain perception: is there a role for primary somatosensory cortex? Proc Natl Acad Sci U S A 1999; 96:7705-9. [PMID: 10393884 PMCID: PMC33605 DOI: 10.1073/pnas.96.14.7705] [Citation(s) in RCA: 480] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Anatomical, physiological, and lesion data implicate multiple cortical regions in the complex experience of pain. These regions include primary and secondary somatosensory cortices, anterior cingulate cortex, insular cortex, and regions of the frontal cortex. Nevertheless, the role of different cortical areas in pain processing is controversial, particularly that of primary somatosensory cortex (S1). Human brain-imaging studies do not consistently reveal pain-related activation of S1, and older studies of cortical lesions and cortical stimulation in humans did not uncover a clear role of S1 in the pain experience. Whereas studies from a number of laboratories show that S1 is activated during the presentation of noxious stimuli as well as in association with some pathological pain states, others do not report such activation. Several factors may contribute to the different results among studies. First, we have evidence demonstrating that S1 activation is highly modulated by cognitive factors that alter pain perception, including attention and previous experience. Second, the precise somatotopic organization of S1 may lead to small focal activations, which are degraded by sulcal anatomical variability when averaging data across subjects. Third, the probable mixed excitatory and inhibitory effects of nociceptive input to S1 could be disparately represented in different experimental paradigms. Finally, statistical considerations are important in interpreting negative findings in S1. We conclude that, when these factors are taken into account, the bulk of the evidence now strongly supports a prominent and highly modulated role for S1 cortex in the sensory aspects of pain, including localization and discrimination of pain intensity.
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Affiliation(s)
- M C Bushnell
- McGill University and Université de Montréal, Montreal, Quebec, Canada H3A 1A1.
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Maquet P, Faymonville ME, Degueldre C, Delfiore G, Franck G, Luxen A, Lamy M. Functional neuroanatomy of hypnotic state. Biol Psychiatry 1999; 45:327-33. [PMID: 10023510 DOI: 10.1016/s0006-3223(97)00546-5] [Citation(s) in RCA: 142] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND The aim of the present study was to describe the distribution of regional cerebral blood flow during the hypnotic state (HS) in humans, using positron-emission tomography (PET) and statistical parametric mapping. METHODS The hypnotic state relied on revivification of pleasant autobiographical memories and was compared to imaging autobiographical material in "normal alertness." A group of 9 subjects under polygraphic monitoring received six H215O infusions and was scanned in the following order: alert-HS-HS-HS with color hallucination-HS with color hallucination-alert. PET data were analyzed using statistical parametric mapping (SPM95). RESULTS The group analysis showed that hypnotic state is related to the activation of a widespread, mainly left-sided, set of cortical areas involving occipital, parietal, precentral, premotor, and ventrolateral prefrontal cortices and a few right-sided regions: occipital and anterior cingulate cortices. CONCLUSIONS The pattern of activation during hypnotic state differs from those induced in normal subjects by the simple evocation of autobiographical memories. It shares many similarities with mental imagery, from which it differs by the relative deactivation of precuneus.
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Affiliation(s)
- P Maquet
- Cyclotron Research Center (CRC), University of Liège, Belgium
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