Symptoms include loss of consciousness and abnormal or absent breathing. These are frequently caused by genetic disorders that lead to abnormal heart rhythms. A person suffering from a chronic mental disorder with abnormal or violent social behavior. Vaginal anomalies are defects that result in an abnormal or absent vagina. Other common symptoms include feeling tired, headache, difficulty speaking, and abnormal behavior. Surgery may correct deformities caused by abnormal muscle tone. Other common symptoms include&colon; feeling tired, headache, difficulty speaking, and abnormal behavior. Hypermagnesemia typically occurs in individuals with abnormal kidney function. Stereotypic behaviors are abnormal or compulsive behaviors. Other subnuclear structures appear as part of abnormal disease processes. SCR systems are sensitive to contamination and plugging resulting from normal operation or abnormal events. A prion disease is a type of proteopathy, or disease of structurally abnormal proteins. Thus, a patch of abnormal tissue may arise. Epileptic seizures are thought to relate to abnormal electrical activity. Cryosurgery is the application of extreme cold to destroy abnormal or diseased tissue.