![]() Sensory stimulation in particular has been promoted as a means to facilitate recovery and counter the negative impact of sensory deprivation often present in institutional care. 50% of vegetative survivors of severe brain injuries are able to regain consciousness within one year of injury and up to 40% subsequently improve to a higher level of the GCS. This is important as treatment and prognosis is highly dependent on accurate differentiation of the type of disorders of consciousness (DOC). Clinicians must be aware that although the GCS is very useful for some aspects of traumatic brain injury (TBI) care, it is not a valid diagnostic tool for prolonged disorders of consciousness (PDOC), and more sensitive and refined assessment is required to categorize prolonged disorders of consciousness (PDOC). The Glasgow Coma Scale (GCS) is widely used in acute settings to evaluate the level of consciousness. ![]() The mainstay of diagnosis is clinical evaluation for evidence of localizing or discriminating behaviours indicating awareness of self or the environment. Research suggests that the responsiveness and environmental awareness of people in vegetative state (VS) or minimally conscious state (MCS) is often underestimated by clinicians. ![]() ![]() One in eight patients with severe closed head injury has been reported to suffer from prolonged coma and vegetative state as a consequence of the head injury. ![]()
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