umls-concept:C0041657 | skos:definition | MSH: Loss of the ability to maintain awareness of self and environment combined with markedly reduced responsiveness to environmental stimuli. (From Adams et al., Principles of Neurology, 6th ed, pp344-5),CSP: loss of the ability to maintain awareness of self and environment combined with markedly reduced responsiveness to environmental stimuli.,NCI: A level of awareness that can be described as consistently not responsive to stimuli.,NCI: The neurologic status characterized by the occurrence of a loss of the ability to perceive and respond. | lld:umls |