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Consciousness lost ...
Consciousness lost and found : Subjective experiences in an unresponsive state
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- Noreika, Valdas (författare)
- Centre for Cognitive Neuroscience, Department of Psychology, University of Turku, 20014 Turku, Finland
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- Jylhänkangas, Leila (författare)
- Centre for Cognitive Neuroscience, Department of Psychology, University of Turku, 20014 Turku, Finland
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- Móró, Levente (författare)
- Centre for Cognitive Neuroscience, Department of Psychology, University of Turku, 20014 Turku, Finland
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- Valli, Katja (författare)
- Högskolan i Skövde,Institutionen för kommunikation och information,Forskningscentrum för Systembiologi,Centre for Cognitive Neuroscience, Department of Psychology, University of Turku, Finland,Kognitiv neurovetenskap och filosofi, Consciousness and Cognitive Neuroscience
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- Kaskinoro, Kimmo (författare)
- Department of Anesthesia, Intensive Care, Emergency Medicine and Pain Therapy, Turku University Hospital, Turku, Finland
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- Aantaa, Riku (författare)
- Department of Anesthesia, Intensive Care, Emergency Medicine and Pain Therapy, Turku University Hospital, Turku, Finland
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- Scheinin, Harry (författare)
- Department of Pharmacology and Clinical Pharmacology, and Turku PET Centre, University of Turku, Turku, Finland
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- Revonsuo, Antti (författare)
- Högskolan i Skövde,Institutionen för kommunikation och information,Forskningscentrum för Systembiologi,Centre for Cognitive Neuroscience, Department of Psychology, University of Turku, Finland,Kognitiv neurovetenskap och filosofi, Consciousness and Cognitive Neuroscience
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(creator_code:org_t)
- Elsevier, 2011
- 2011
- Engelska.
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Ingår i: Brain and Cognition. - : Elsevier. - 0278-2626 .- 1090-2147. ; 77:3, s. 327-334
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Anesthetic-induced changes in the neural activity of the brain have been recently utilized as a research model to investigate the neural mechanisms of phenomenal consciousness. However, the anesthesiologic definition of consciousness as ‘‘responsiveness to the environment’’ seems to sidestep the possibility that an unresponsive individual may have subjective experiences. The aim of the present study was to analyze subjective reports in sessions where sedation and the loss of responsiveness were induced by dexmedetomidine, propofol, sevoflurane or xenon in a nonsurgical experimental setting. After regaining responsiveness, participants recalled subjective experiences in almost 60% of sessions. During dexmedetomidine sessions, subjective experiences were associated with shallower ‘‘depth of sedation’’ as measured by an electroencephalography-derived anesthesia depth monitor. Results confirm that subjective experiences may occur during clinically defined unresponsiveness, and that studies aiming to investigate phenomenal consciousness under sedative and anesthetic effects should control the subjective state of unresponsive participants with post-recovery interviews.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
- SAMHÄLLSVETENSKAP -- Psykologi (hsv//swe)
- SOCIAL SCIENCES -- Psychology (hsv//eng)
Nyckelord
- consciousness
- responsiveness
- subjective experiences
- depth of sedation
- dexmedetomidine
- Natural sciences
- Naturvetenskap
- Consciousness and Cognitive Neuroscience
- Kognitiv neurovetenskap och filosofi
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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