We studied an 8-year-old boy after a near-drowning left him in a vegetative state (VS) for 4
years before the study. Findings fulfilled all clinical criteria for the diagnosis of VS. The
purpose of this study was to investigate whether there was significant differential activation
of the brain in response to hearing his mother's voice compared with the voices of unknown
women. The data were assessed using quantitative electric tomography (QEEGt), a
technique that combines anatomical information of the brain by MRI with EEG patterns to …

… Recognizing a mother’s voice in the persistent vegetative state … Recognizing a mother’s
voice in the persistent vegetative state …