<prompt> T.J.CrowCoined the term Dementia PraecoxGave 11 First rank symptomsDivided Schizophrenia into 2 subtypes , Type I Type IIGave 4 As of Schizophrenia.  <response>: Type IType IIPositive SymptomsNegative SymptomsCT and MRI normalCT and MRI shows enlarged ventriclesGood PrognosisBad Prognosis 