Screening of organic brian dysfunction

One hundred eighty adult patients (age 20 to 50 years) referred to Psychology section for differential diagnosis of brain pathology from 1976 to 1980 and where at least two of the three cognitive functions- intelligence, memory, and percepto motor ability, were tested and clinical diagnosis arrived at follow-ups, etc. were included. Nineteen psychological test variables were rescored to minimize the effect of age and education. Frequency distributions, separately for brain damage and non-brain damage patients for each variable were obtained and ogives prepared to find out points of maximum differentiations. Scores were assigned ratings of 0, 2 & 3 for average to low scores, and combined rating could identify about 2/3rd of organics correctly amongst the difficult to diagnose cases.