Given the task definition and input, reply with output. In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Glasgow Coma Scale or GCS is a scale that is used to measure the consciousness of a person .

The Glasgow Coma Scale ( GCS ) is a neurological scale which aims to give a reliable and objective way of recording the state of a person 's consciousness for initial as well as subsequent assessment .