The nature of hypnotic analgesia: neurophysiological foundation and evidence

Autor:	Helen J. Crawford, Timothy Knebel, Jennifer M. C. Vendemia
Rok vydání:	1998
Předmět:	Complementary and Manual Therapy Hypnosis medicine.diagnostic_test medicine.drug_class Attentional control Electroencephalography Neurophysiology Hypnotic Clinical Psychology Nociception Neurochemical Somatosensory evoked potential medicine Psychology Neuroscience
Zdroj:	Contemporary Hypnosis. 15:22-33
ISSN:	1557-0711 0960-5290
DOI:	10.1002/ch.113
Popis:	This paper reviews neurophysiological research (EEG, event-related potential, regional cerebral blood flow, neurochemical) that supports the proposal that hypnotic analgesia is an active inhibitory process involving several brain systems mediating attentional and nociceptive processes. Even though the processes of hypnotic analgesia may be dissociated from conscious awareness and appear to be out of volitional control, it is proposed that hypnotic analgesia depends on the activation of a supervisory, attention control system – involving the anterior frontal cortex – which then participates with other cortical and subcortical systems in the allocation of thalamocortical activities. Hypnotic analgesia affects the active allocation of attention and disattention associated with the anterior frontal region, as well as spatio-temporal aspects of pain perception associated with the posterior cortical systems. Copyright © 1998 British Society of Experimental and Clinical Hypnosis
Databáze:	OpenAIRE
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