Arousal and consciousness
Sleep and wake cycles
Attention and concentration
Frontal Temporal Parietal Occipital Cerebellum Brain Stem
Injury to any of these areas can interfere with the functions mentioned above. Symptoms can vary depending upon the individual, how severe the injury was, and even which hemisphere was involved. In general, injuries to the left side of the brain can affect movement of the right half of the body, language difficulties, depression, and impaired logic. Injury to the right hemisphere can result in difficulty moving the left side of the body, visual-spatial problems, changes in creativity, and decreased awareness of defects.
Classification and Levels of Brain-injury
Your medical team will use different measures to classify the severity of the brain injury. Two of the more common tests used to assess brain injury are the Glasgow Coma Scale and the Rancho Los Amigos Scale.