The main symptoms of cerebral hypoxia are headaches, muscle spasms, severe confusion, and lack of concentration, loss of consciousness, decreased attention span,
mood swings and seizures. you must seek immediate medical attention if there are multiple symptoms. The physician will determine the degree of severity of cerebral hypoxia. These include a CT scan, MRI, EEG, and Evoked potential test. Other tests include complex learning tasks and motor control.