Cortex functional connectivity as a neurophysiological correlate of hypnosis: An EEG case study

Fingelkurts, Andrew A.; Fingelkurts, Alexander A.; Kallio, Sakari; Revonsuo, Antti

doi:10.1016/j.neuropsychologia.2006.11.018

Cited by 93 publications

(83 citation statements)

References 57 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Highly hypnotizable subjects demonstrate a reduction of gamma EEG density, in contrast to subjects with low hypnotizability [9,21,33]. However, other studies found opposite results, i.e.…”

Section: Electroencephalographymentioning

confidence: 90%

“…In a study conducted on one ''virtuoso'' case study of hypnosis, Fingelkurts et al [21] showed a difference between hypnosis and rest conditions in delta, theta, alpha, beta and gamma frequency bands. The authors suggested that decreased size and stability of delta, beta and gamma activity could be indicative of an increased independence of brain processes, translating an effort to maintain alertness in the hypnotic condition, while increased alpha and theta may indicate that subject was more relaxed and facilitated to process information.…”

Section: Electroencephalographymentioning

confidence: 99%

See 1 more Smart Citation

Neurophysiology of hypnosis

Vanhaudenhuyse

Laureys

Faymonville

2014

Neurophysiologie Clinique/Clinical Neurophysiology

135

View full text Add to dashboard Cite

SummaryWe here review behavioral, neuroimaging and electrophysiological studies of hypnosis as a state, as well as hypnosis as a tool to modulate brain responses to painful stimulations. Studies have shown that hypnotic processes modify internal (self awareness) as well as external (environmental awareness) brain networks. Brain mechanisms underlying the modulation of pain perception under hypnotic conditions involve cortical as well as subcortical areas including anterior cingulate and prefrontal cortices, basal ganglia and thalami. Combined with local anesthesia and conscious sedation in patients undergoing surgery, hypnosis is associated with improved peri-and postoperative comfort of patients and surgeons. Finally, hypnosis can be considered as a useful analogue for simulating conversion and dissociation symptoms in healthy subjects, permitting better characterization of these challenging disorders by producing clinically similar experiences.

show abstract

“…Highly hypnotizable subjects demonstrate a reduction of gamma EEG density, in contrast to subjects with low hypnotizability [9,21,33]. However, other studies found opposite results, i.e.…”

Section: Electroencephalographymentioning

confidence: 90%

Section: Electroencephalographymentioning

confidence: 99%

Neurophysiology of hypnosis

Vanhaudenhuyse

Laureys

Faymonville

2014

Neurophysiologie Clinique/Clinical Neurophysiology

135

View full text Add to dashboard Cite

show abstract

“…A conectividade funcional do córtex associada à hipnose foi investigada por Fingelkurts et al 111 em um sujeito ASH em estado normal e sob hipnose, em duas sessões separadas por um ano. A alteração nessa conectividade significa que módulos cognitivos e subsistemas separados podem estar temporariamente incapazes de comunicarem-se.…”

Section: A Hipnose E a Alteração Da Shunclassified

Hipnose, imobilidade tônica e eletroencefalograma

Cortez

Silva

2013

J. bras. psiquiatr.

View full text Add to dashboard Cite

resuMo objetivo: Apresentar uma revisão sobre as características da atividade elétrica cerebral que acompanha a hipnose animal, estado induzido em laboratório em mamíferos por manipulações experimentais, bem como sobre as alterações encontradas no EEG durante o estado de hipnose, visando à discussão dos resultados encontrados na busca de evidências dos fundamentos filogenéticos que possam conduzir ao entendimento dos rudimentos neurais da hipnose humana. Método: Livros e bases eletrônicas de dados foram consultados. Critério de inclusão: artigos originais publicados entre 1966-2012. Critério de exclusão: artigos que se afastavam da visão eletroneurofisiológica da hipnose. resultados: Foram encontradas 662 referências, tendo sido selecionados os artigos e livros referenciados. Além desses artigos, foi incluído no estudo o artigo de Hoagland, publicado em 1928, que é um clássico na área de imobilidade tônica em vertebrados. Conclusões: O estado de hipnose humano resulta de processamentos em inúmeros circuitos paralelos distribuídos em uma complexa rede neuronal, envolvendo, dessa forma, uma ampla área do encéfalo. Na trajetória evolutiva, a grande ampliação dos recursos corticais pode ter tornado as respostas de imobilidade tônica passíveis de modulação consciente, respostas essas ainda presentes nos humanos e que se manifestam involuntariamente em situações de grande ameaça. Vários estudos têm evidenciado mecanismos neurofisiológicos capazes de reforçar a visão da hipnose não só como um eficiente recurso para procedimentos médicos e odontológicos, funcionando como auxiliar na analgesia e sedação, mas também como excelente ferramenta psicoterapêutica. aBstraCt objective: To present a revision on characteristics of electric brain activity accompanying the animal hypnosis, state induced in laboratory in mammals by means experimental manipulation, as well as on alterations found in EEG during hypnosis, aiming to find phylogenetic basis that could conduct us to the understanding of neural rudiments of the hypnosis state. Method: Books and electronics data basis were consulted. Inclusion criteria: original articles published between 1966-2012. Exclusion criteria: articles deviating from electro-neurophysiological hypnosis vision. results: It was found 662 articles in journals and books, and references show those chosen. In addition, we included the Hoagland' paper published in 1928, which is a classical paper about tonic immobility in vertebrates. Conclusions: Human hypnosis state results from processing of several parallel circuits distributed in a complex neuronal network, involving a wide area of encephalon. In the evolution, the enlargement of

show abstract

“…Además, dentro de la neurociencia, el desarrollo de nuevos enfoques teóricos y metodologías que incorporan aspectos biopsicosociales y aproximaciones multinivel en el estudio de la cognición y la conciencia (Ibá-ñez y Bekinschtein, 2010;Barutta, Aravena y Ibáñez, 2010;Barutta, Gleichgerrcht, Ibáñez, 2010;Barutta, Hodges, Ibá-ñez, Gleichgerrcht, Manes, 2010;Ibáñez, 2007a,b; han propiciado una aproximación neurocognitiva de la hipnosis (Raz y Shapiro, 2002). Metodológicamente, ello se ha traducido en la utilización de herramientas como la neuroimagen (fMRI, PET) y el análisis de señales electromagnéticas (EEG, MEG) para estudiar la hipnosis (McGeown, Mazzoni, Venneri y Kirsch, 2009;Cojan et al 2009;Derbyshire, Whalley, Stenger, Oakley, 2004;Fingelkurts, Fingelkurts, Kallio y Revonsuo, 2007;Kallio, Revonsuo, Laurema, Hamalaienen y Lang, 1999;Katayama et al 2007;Mendelsohn, Chalamish, Solomonovich y Dudai, 2008;Raij, Numminen, Narvanen, Hiltunen y Hari, 2005;Raz y Shapiro, 2002;Rainville, Hofbauer, Bushnell, Duncan y Price, 2002;Rainville et al 1999;Kosslyn, Thompson, Constantini-Ferrando, Alpert y Spiegel, 2000). Por su parte, modelos recientes que explican la cognición y la conciencia como estados emergentes de múltiples y diversas regiones cerebrales funcionalmente coordinadas (Barutta et al 2010a;Edelman y Tononi, 2000) han estimulado la conceptualización de la hipnosis como un estado de conciencia.…”

Section: Dirección Para Correspondencia [Correspondence Address]unclassified

Neurobiología de la hipnosis y su contribución a la comprensión de la cognición y la conciencia.

et al. 2012

View full text Add to dashboard Cite

Resumen: El creciente interés por el estudio científico de la conciencia y el actual desarrollo de herramientas de neuroimagen han permitido investigar los correlatos neurobiológicos de la hipnosis y validar su utilización en el estudio de fenómenos neurocognitivos normales y patológicos. Experimentalmente, se han comenzado a testear teorías que postulan que la hipnosis correspondería a un estado de conciencia neurofisiológicamente distintivo ('teorías del estado'), y teorías que postulan que la hipnosis sólo representaría diferente cambios neurofisiológicos asociados a sugestiones específicas, sin constituir un estado de conciencia ('teorías del no estado'). En este trabajo, se revisan críticamente ambas teorías, discutiendo sus características principales, describiendo la evidencia neurofisiológica asociada a cada teoría, y analizando el estado actual del debate entre ambas. Evidencia experimental creciente apoya la idea de que un estado de conciencia hipnótico involucraría principalmente regiones como la corteza cingulada anterior y la corteza frontal dorsolateral, así como un patrón de conectividad cortical funcional disminuido. Asimismo, se concluye que la sugestión hipnótica ha permitido comenzar a comprender diversos procesos neuropsicológicos normales y patológicos. Finalmente, se plantea que la evidencia neurofisiológicas actual todavía resulta insuficiente para resolver el debate entre teóricos del estado versus del no estado. Palabras clave: Correlatos cerebrales de la conciencia; Estados de conciencia; Hipnosis; Sugestión; Teorías de estado y no estado.Title: Neurobiology of hypnosis and its contribution to the understanding of cognition and consciousness. Abstract: The growing interest for the scientific study of consciousness and the current development of neuroimaging tools have allowed to investigate the neuronal correlates of hypnosis and to expand its scope to assess normal and pathological neurocognitive phenomena. At an empirical level, theories that postulate hypnosis as a neurophysiological distinctive state of consciousness ('state theories'), and theories that claim that hypnosis would just represent different neurophysiological changes associated to specific suggestions without no change in the state of consciousness ('non-state theories'); have both been assessed. In this work, these two theories are critically reviewed, their main features are discussed and their neurophysiological evidence is described. A growing body of evidence supports that a hypnotic state of consciousness involves mainly the anterior cingulated cortex and the dorsolateral frontal cortex; as well as a pattern of attenuated cortical functional connectivity. Also, we concluded that hypnotic suggestions have allowed a better comprehension of a diversity of normal and pathological neuropsychological processes. Finally, we stated that the neurophysiologic evidence until now is still insufficient to solve the debate between state and non-state theorists. Keywords: Cerebral correlates of consciousness; States of consciou...

show abstract

Cortex functional connectivity as a neurophysiological correlate of hypnosis: An EEG case study

Cited by 93 publications

References 57 publications

Neurophysiology of hypnosis

Neurophysiology of hypnosis

Hipnose, imobilidade tônica e eletroencefalograma

Neurobiología de la hipnosis y su contribución a la comprensión de la cognición y la conciencia.

Contact Info

Product

Resources

About