Comparison of the Severity of Obsession and Working Memory in Children with Obsessive Compulsive Disorder and Healthy Children

  Background   Obsessive-compulsive disorder (OCD) is a heterogeneous condition with distinct subtypes. This study aims to compare the severity of obsession and working memory in children with obsessive compulsive disorder and healthy children.   Materials and Methods: In this correlation-comparative study, ۱۴۰ students (۷۰ healthy and ۷۰ with OCD, diagnosed according to Obsessive-Compulsive Inventory, child-version score) were selected through simple random sampling method in in Tehran, Iran, (۲۰۱۸-۱۹).  The multistage cluster sampling method was applied. The subjects were selected after purposeful clinical evaluation and according to the qualifications of the study. Assessments were made using the Obsessive-Compulsive Inventory, child-version (OCI – CV), and the Working Memory Rating Scale (WMRS). Data were analyzed using SPSS software version ۲۵.۰.   Results: A total of ۸۰ girls and ۶۰ boys with a mean age of ۹ ±۱.۳۶ years were studied. The correlation between working memory and obsessive-compulsive disorder of girls and boys (r= -۰.۴۸۲; p =۰.۰۰۱) at the level of p   Conclusion   The findings showed that the working memory scores in both girls and boys increased by reducing the obsessive-compulsive disorder accompanied. Moreover, the working memory of the healthy group was higher than that of the patients.