E-ISSN 1309-4866
Research Article
Assessment of Psychiatric Comorbidity and WISC-R Profiles in Cases Diagnosed with Specific Learning Disorder According to DSM-5 Criteria
1 Edirne Sultan 1. Murat Devlet Hastanesi, Çocuk ve Ergen Ruh Sağlığı ve Hastalıkları Bölümü, Edirne, Türkiye  
2 Trakya Üniversitesi Tıp Fakültesi, Çocuk ve Ergen Ruh Sağlığı ve Hastalıkları Anabilim Dalı, Edirne, Türkiye  
Arch Neuropsychiatry ; : -
DOI: 10.5152/npa.2017.18123
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Key Words: Spesific learning disorder, psychiatric comorbidity, attention deficit disorder and hyperactivity, math disorder

Introduction: In this study, the frequency of psychiatric comorbidity in children and adolescents who were diagnosed with specific learning disorder, the factors that affect the frequency of comorbidity, the subtypes of specific learning disorder and the effects on cognitive profile have been researched.


Method: Our study was performed among 80 cases with the age range 6-15 years who diagnosed with specific learning disorder Child and Adolescent Psychiatry Department between January and June 2015. In the study, DSM-IV Based Screening and Evaluation Scale for Child and Adolescent Behavioural Disorders, Specific Learning Disability Evaluation Scale and the WISC-R test were performed. During the interview, reading-writing-math abilities evaluation list (error analysis) was performed in order to define the specific learning disorder subgroup and to evaluate the detailed error profile of the specific learning disorder subgroup. Kiddie Schedule for Affective Disorders and Schizophrenia for School-age Children-Present and Lifetime Turkish Version (KSADS) was performed to detect psychiatric comorbidity diagnoses.


Results: 92.5% of the cases have a comorbid psychiatric disorder. The most frequent psychiatric comorbidity was attention deficit hyperactivity disorder (82.3%), followed by specific phobia (46.3%), oppositional defiant disorder (26.3%), enuresis (25%) and tic disorders (22.5%). Psychiatric comorbidity is detected more often in patients with specific learning disorder accompanied by attention deficit and hyperactivity disorder. The most frequent subtype of specific learning disorder is combined type disorder consisting of reading, writing and math disorder (37.5%). The WISC-R score of the patients who had math disorder were found to be lower than the others,and also it was detected that they learned reading and writing later and have more comorbid psychiatric disorders.


Conclusion: The results of our study indicate that associated psychiatric disorders are frequent with specific learning disorder. Specific learning disorder should not be considered as a single disorder, but should be assessed and treated with comorbid psychiatric disorders.

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