RT Book, Section
A1 Battaglia, Agatino
A1 Carey, John C.
A2 Rudolph, Colin D.
A2 Rudolph, Abraham M.
A2 Lister, George E.
A2 First, Lewis R.
A2 Gershon, Anne A.
SR Print(0)
ID 7018118
T1 Chapter 185. Genetic Evaluation of Developmental Delay/Mental Retardation
T2 Rudolph's Pediatrics, 22e
YR 2011
FD 2011
PB The McGraw-Hill Companies
PP New York, NY
SN 978-0-07-149723-7
LK accesspediatrics.mhmedical.com/content.aspx?aid=7018118
RD 2024/04/19
AB Medically,  mental  retardation  (MR)  or  “intellectual  disability”  (ID,  the  currently  preferred  term)  is  a  highly  variable,  heterogeneous  manifestation  of  central  nervous  system  dysfunction.  According  to  the  Diagnostic  and  Statistical  Manual,  4th  edition  (DSM-IV)  (1994),  the  diagnostic  criteria  are  (1)  onset  before  age  18;  (2)  an  IQ  of  approximately  70  or  below;  and  (3)  concurrent  deficits  or  impairments  in  two  or  more  of  the  following  areas:  communication,  self-care,  home  living,  social  and  interpersonal  skills,  use  of  community  resources,  self-direction,  functional  academics,  health  and  safety,  and  work  and  leisure.