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Page last updated at 08:42 GMT, Saturday, 6 February 2010

PVS discovery 'a hazy area'


A new discovery this week found that some patients in a persistent vegetative state are in fact conscious and able to answer questions by thinking. The findings raise further ethical issues on the treatment of brain-damaged patients.

Helen Gill, a consultant on Low Awareness States at the Royal Hospital for Neuro-Disability, and Colin Blakemore, professor of neuroscience at Oxford University, consider the implications of the findings on the care for brain-damaged patients.


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