Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs CatatoniaUpdated: 2017-06-13OverviewCatatonia is a behavioral syndrome marked by an inability to move normally, which is associated with schizophrenia and other mental illnesses SymptomsCatatonia may involve symptoms, such as lack of movement, fast or strange movements, lack of speech, and other unusual behavior. TreatmentsTreatment includes medication or shock (electroconvulsive) therapy. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use