سبب شناسي نشانه ها و تشخيص اختلالات رشدي فراگير

Etiology ; Symptoms;And Diagnosis of Pervasive Developmental Disorders (PDD)

Aim: At The First Time,(PDD) Term Has Used To Describe a Set of Disorders Which Have Joint Characterstics Such As Loss In Social Interaction, Imaginative Activity, Verbal And Nonverbal Communicative Skills ,Inersts Limitation And Repeating Activities.According To (DSM-1 V),There Are Five Disorders That Are Are Classified Under The PDD Category: Autistic Disorder;Reet Disorder;Childhood Disintegrative Disorder ;Asperger Disorder ;And Pervasive Developmental Disorder Not Otherwise Specified(PDDNOS). Method: In This Study,We Used Library And Interview Methods To Gain Related Subjects And Professionals Experiences. Results:Many Experts Use The PDD Term As a Short Way To Say PDDNOS.Nevertheless,Some Doctors Who Are Doubtful That Some Small Children Have a Specific PDD Disorder Such As Autistic ,Use PDD Term To Diagnose Them.Because of The PDD Term Is not a Diagnostic One,This Approach Helps To Increase Ambiguity About It.