The minimally conscious state
Definition and diagnostic criteria
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Comparison of clinical features associated with coma, vegetative state, minimally conscious state, and locked-in syndrome
Condition Consciousness Sleep/wake Motor function Auditory function Visual function Communication Emotion Coma None Absent Reflex and postural responses only None None None None Vegetative state None Present Postures or withdraws to noxious stimuli Startle Startle None None Occasional nonpurposeful movement Brief orienting to sound Brief visual fixation Reflexive crying or smiling Minimally conscious state Partial Present Localizes noxious stimuli Localizes sound location Sustained visual fixation Contingent vocalization Contingent smiling or crying Reaches for objects Inconsistent command following Sustained visual pursuit Inconsistent but intelligible verbalization or gesture Holds or touches objects in a manner that accommodates size and shape Automatic movements (e.g., scratching) Locked-in syndrome Full Present Quadriplegic Preserved Preserved Aphonic/Anarthric Preserved Vertical eye movement and blinking usually intact
Letters: Rapid online correspondence
- The minimally conscious state: Definition and diagnostic criteria
- Calixto Machado, Institute of Neurology and Neurosurgery Ciudad de La Habana Cuba[email protected]
Submitted June 24, 2002 - The minimally conscious state: Definition and diagnostic criteria
- William J Burke, St. Louis University St. Louis, MO[email protected]
Submitted June 24, 2002 - Reply to Letters to the Editor by Burke and Machado
- Douglas Katz, Boston University School of Medicine Boston MA[email protected]
- JT Giacino, S Ashwal, N Childs, R Cranford, B Jennett, JP Kelly, JH Rosenberg, J Whyte, R Zafonte and ND Zasler
Submitted June 24, 2002 - The minimally conscious state: Definition and diagnostic criteria
- Joseph J Fins, New York Presbyterian Hospital-Weill Cornell Center New York[email protected]
- Nicholas D. Schiff
Submitted June 24, 2002
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