<prompt> The term Dementia praecox was coined byFreudBleulerKraepelinSchneider  <response>: Although earlier descriptions of schizophrenia-like illness are recorded in the literature such as in Ayurveda; Kahlbaums description of catatonia; Heckers description of hebephrenia, the scientific study of the disorder began with the description of dementia praecox by Emil Kraepelin. Ref: A Sho Textbook of Psychiatry, Niraj Ahuja, 7th Edition, pg. no. 54 