The diagnosis of a pervasive developmental disorder not otherwise specified is given to individuals with difficulties in the areas of social interaction, ...PervasivedevelopmentaldisordernototherwisespecifiedFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchNottobeconfusedwithPDNOSorPersistentDepressiveDisorder.MedicalconditionPervasivedevelopmentaldisordernototherwisespecified(PDD-NOS),(includingatypicalautism)SpecialtyClinicalpsychology,psychiatry,pediatrics,occupationalmedicineApervasivedevelopmentaldisordernototherwisespecified(Includingatypicalautism)(PDD-NOS)[1]isoneofthefourautisticdisorders(AD)intheDSM-5[2]andalsowasoneofthefivedisordersclassifiedasapervasivedevelopmentaldisorder(PDD)intheDSM-IV[3]AccordingtotheDSM-4,PDD-NOSisadiagnosisthatisusedfor"severeorpervasiveimpairmentinthedevelopmentofreciprocalsocialinteractionand/orverbalandnonverbalcommunicationskills,orwhenstereotypedbehavior,interests,and/oractivitiesarepresent,butthecriteriaarenotmetforaspecificPDD"orforseveralotherdisorders.[4]PDD-NOSincludesatypicalautism,[5]becausethecriteriaforautisticdisorderarenotmet,forinstancebecauseoflateageofonset,atypicalsymptomatology,orsubthresholdsymptomatology,orallofthese.[4]EventhoughPDD-NOSisconsideredmilderthantypicalautism,thisisnotalwaystrue.Whilesomecharacteristicsmaybemilder,othersmaybemoresevere.[6]Contents1Signsandsymptoms2Diagnosis2.1Subgroups2.2Behavior3Treatment4References5ExternallinksSignsandsymptoms[edit]ItiscommonforindividualswithPDD-NOStohavemoreintactsocialskillsandalowerlevelofintellectualdeficitthanindividualswithotherPDDs.[3]CharacteristicsofmanyindividualswithPDD-NOSare:Communicationdifficulties(e.g.,usingandunderstandinglanguage)[7]DifficultywithsocialbehaviorParanoia,acharacteristicformofsocialanxiety,derealization,transientpsychosis,andunconventionalbeliefsiftheenvironmentchangedwithoutfurthernoticeUnevenskilldevelopment(strengthsinsomeareasanddelaysinothers)UnusualplaywithtoysandotherobjectsRepetitivebodymovementsorbehavior