TY - JOUR PY - 1975// TI - An aetiological study of 1,000 patients with an I.Q. assessment below 51 JO - Medical journal of Australia A1 - Turner, G. SP - 927 EP - 931 VL - 2 IS - 25-26 N2 - This paper examines the actiological basis of the severer grades of mental retardation in 1,000 individuals attending an outpatient clinic. It was found it was possible to make a suggested diagnosis in 78% of cases. These fell into broad aetiological groups: genetically determined, 25%: early prenatal abomalies, 18%: perinatal damage, 17% prenatal and postnatal infections, 15%; cultural disintegration, 3%. The changing pattern of incidence and the possibilities of prevention are discussed for each group.
Language: en
LA - en SN - 0025-729X UR - http://dx.doi.org/ ID - ref1 ER -