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BMJ
Article
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BMJ
Article . 2012 . Peer-reviewed
Data sources: Crossref
BMJ
Other literature type . 2013
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fMRI for vegetative and minimally conscious states

Authors: Turner-Stokes, Lynne; Kitzinger, Jenny; Gill-Thwaites, Helen; Playford, E. Diane; Wade, Derick; Allanson, Judith; Pickard, John;

fMRI for vegetative and minimally conscious states

Abstract

A more balanced perspective The BBC’s Panorama programme The Mind Reader: Unlocking My Voice broadcast on 13 November 2012 provided important insights into the devastating experience of patients who live in vegetative or minimally conscious states and the families who support them. It also provided useful information on the use of functional magnetic resonance imaging (fMRI) to explore evidence of localised brain activity that might indicate underlying awareness. However, the programme failed to distinguish clearly between the two states and gave the impression that 20% of patients in a vegetative state show cognitive responses on fMRI. This claim needs to be clarified and put into perspective. There are important differences between the two states. Patients in a vegetative state have no discernible awareness of self and no cognitive interaction with their environment. Patients in a minimally conscious state show evidence of interaction through localising or discriminating behaviours, although such interactions occur inconsistently. It is clinically important to make this distinction, for prognostic reasons and because some evidence suggests that patients in a minimally conscious state experience symptoms (such as pain) in a manner indistinguishable from non-brain injured patients.1 2 The programme presented two patients said to be in a “vegetative state” who showed evidence of cognitive interaction on assessment using fMRI in Ontario, Canada. The clinical methods used for the original diagnosis …

Country
United Kingdom
Keywords

DISORDERS, Persistent Vegetative State, Brain, RECOVERY, PATIENT, Magnetic Resonance Imaging, Diagnosis, Differential, INJURY, Consciousness Disorders, Humans, SCALE

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Average
Average
Top 10%
bronze