Submission + - Vegetative patients 'still learn' (scienceblog.com)
It is the first time that scientists have tested whether patients in vegetative and minimally conscious states can learn. By establishing that they can, it is believed that this simple test will enable practitioners to assess the patient's consciousness without the need of imaging.
The abstract is available in the advance issue of nature here: http://www.nature.com/neuro/journal/vaop/ncurrent/abs/nn.2391.html"