About

It was developed in 1974 by Graham Teasdale and Bryan Jennett at the University of Glasgow, Scotland. The scale measures three aspects of responsiveness - eye opening, verbal response, and motor response - assigning a score between 3 and 15, with 15 indicating normal functioning and 3 indicating deep unconsciousness. The GCS is used for initial assessment, determining the severity of brain injury, and monitoring changes in consciousness. It has become an essential tool in clinical practice and research for evaluating patients with head trauma.