Which of the following is not true about imbecile mentally retarded patients?
Imbecile is mentally retarded patients with IQ is between 25-49. IQ = (Mental age/Chronological age) X 100 Level of intelligence IQ Idiot 0-24 Imbecile 25-49 Moron 50-69 Borderline 70-79 Low normal 80-89 Normal 90-109 Superior 110-119 Very superior 120-139 Near genius > 140 Reference: Kaplon and sadock, 11 th edition, synopsis of psychiatry, 11 th edition, pg no.800
They need help for doing their daily activities and manage their affairs
It can be congenital or acquired at times
IQ is between 50-60
They have mental development equivalent to that of 3-4 yrs of age children
Child psychiatry