Perspectives
Nature Reviews Neuroscience 9, 235-243 (March 2008) | doi:10.1038/nrn2330
Science and society: Functional neuroimaging of the vegetative state
Adrian M. Owen1 & Martin R. Coleman2 About the authors
Abstract
A number of recent studies have demonstrated a role for state-of-the-art neuroimaging methods in the assessment of patients in the vegetative state and other so-called 'disorders of consciousness'. In several cases, functional MRI has been used to show that aspects of speech perception, emotional processing, language comprehension and even conscious awareness might be retained in some patients who behaviourally meet all of the criteria that define the vegetative state. This work has profound implications for clinical care, diagnosis, prognosis and medical–legal decision making (relating to the prolongation, or otherwise, of life after severe brain injury), as well as for more basic scientific questions about the nature of consciousness and the neural representation of our own thoughts and intentions.
Author affiliations
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Adrian M. Owen is at the Medical Research Council Cognition and Brain Sciences Unit, 15 Chaucer Road, Cambridge, CB2 7EF, UK.
Email: adrian.owen@mrc-cbu.cam.ac.uk -
Martin R. Coleman is at the Cambridge Impaired Consciousness Research Group, Wolfson Brain Imaging Centre, BOX 65, Addenbrooke's Hospital, Cambridge, CB2 OQQ, UK.
Email: mrc30@cam.ac.uk
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