Medical Genetics Residual Type This type commonly displays emotional bluntness, social withdrawal illogical thinking eccentric behavior, or mild loosening of association. Elderly people suffering from alzheimer's disease, lepers, philosophers and Japanese males who have "lost face"are characteristic of this type.Medical Genetics Residual Type This type commonly displays emotional bluntness, social withdrawal, illogical thinking, eccentric behavior, or mild loosening of association. Elderly people suffering from Alzheimer’s disease, lepers, philosophers and Japanese males who have “lost face” are characteristic of this type