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In 2005, a 23-year-old woman in the UK was involved in a traffic accident that left her with a severe brain injury. Five months after the event, she slept and woke and could open her eyes, but she didn’t always respond to smells or touch or track things visually. In other words, she fit the clinical criteria for being in a vegetative state.
In a study published in Science in 2006, a team of researchers tested her ability to imagine herself playing tennis or walking through her house while they observed activity in her brain using functional magnetic resonance imaging (fMRI). Remarkably, her brain responded with activity in the same areas of the brains of healthy people when asked to do the same, indicating that she was capable of complex cognition, despite her apparent unresponsiveness at the bedside. The findings indicated that this patient and others ...