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A minimally conscious state or MCS is a disorder of consciousness distinct from persistent vegetative state and locked-in syndrome. Unlike persistent vegetative state, patients with MCS have partial preservation of conscious awareness. [1] MCS is a relatively new category of disorders of consciousness.
A vegetative state (VS) or post-coma unresponsiveness (PCU) [1] is a disorder of consciousness in which patients with severe brain damage are in a state of partial arousal rather than true awareness. After four weeks in a vegetative state, the patient is classified as being in a persistent vegetative state (PVS).
Some define disorders of consciousness as any change from complete self-awareness to inhibited or absent self-awareness and arousal. This category generally includes minimally conscious state and persistent vegetative state, but sometimes also includes the less severe locked-in syndrome and more severe but rare chronic coma.
Brain death can sometimes be difficult to differentiate from other medical states such as barbiturate overdose, acute alcohol poisoning, sedative overdose, hypothermia, hypoglycemia, coma, and chronic vegetative states. Some comatose patients can recover to pre-coma or near pre-coma level of functioning, and some patients with severe ...
A 34-year old, who was believed to be in an unconscious vegetative state after suffering cardiac arrest 16 years ago, was shown the 1961 'Alfred Hitchcock Presents' episode "Bang! You're Dead."
Mayo Clinic Proceedings: Minimally Conscious State vs Persistent Vegetative State: The Case of Terry (Wallis) vs. The Case of Terri (Schiavo) A discussion about brain regeneration, Video interview with researchers on the Charlie Rose Show, July 28, 2006
The vegetative state is considered permanent if it persists for 12 months after TBI or 3 months after causes other than trauma. [ 6 ] A minimally conscious state is a condition in which patients have a reduced level of arousal and may appear, on the surface, to be in a persistent vegetative state but are capable of demonstrating the ability to ...
In children, the most common cause is a stroke of the ventral pons. [9]Unlike persistent vegetative state, in which the upper portions of the brain are damaged and the lower portions are spared, locked-in syndrome is essentially the opposite, caused by damage to specific portions of the lower brain and brainstem, with no damage to the upper brain.