Comparison of different components of executive functions in children with attention-deficit/hyperactivity disorder, children with specific learning disorders, and normal children

Asiyeh Khaledi, Hadi Hashemi-Razini, Mohammad Hossein Abdollahi

DOI: 10.22122/cdj.v7i1.373

Abstract


BACKGROUND: The present study was conducted with the aim of examining and comparing different components of executive functions (inhibitory control, cognitive flexibility, working memory, planning) of 3 groups of children with attention-deficit/hyperactivity disorder (ADHD), children with specific learning disorder (LD), and normal children.

METHODS: Statistical society of the study included all 7-12 year-old students of Lordegan City, Iran, in the school year of 2015-2016. To carry out this study, 26 normal children were selected by multistage cluster sampling method and 22 children with ADHD and 18 children with specific LD through convenience sampling method. The causal-comparative method was exploited to perform the study. The tools used included clinical interview, Conners questionnaire, the forms filled in by the teachers of children with ADHD, Stroop Color and Word Test (SCWT), and the Tower of London (TOL), active memory, and Wisconsin cards. The analysis was performed using SPSS software with descriptive and inferential statistics [multivariate analysis of variance (MANOVA)].

RESULTS: The results showed that, children with ADHD and specific learning disability were lower in 3 areas of performance of working memory, planning, and inhibition performance in comparison to the normal group, however there was no significant difference among groups in terms of flexibility performance.

CONCLUSION: In this study, it has been shown that the problems emerging among the exceptional children studied in this study, namely, children with ADHD, and children with learning disabilities, are rooted in their brain functions.


Keywords


Executive Functions; Attention Deficit Hyperactivity Disorder; Specific Learning Disorder

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References


Rostaman H, Talepasand S, Nazifi M. the effect of executive function training on executive performance and behavioral symptoms of children with attention deficit hyperactivity disorder. Journal of Clinical Psychology 2013; 5(1): 93-106. [In Persian].

American Psychiatric Association. Diagnostic and statistical manual of mental disorders. Washington, DC: American Psychiatric Association; 1980.

Abedi A, Malekpour M, Moulavi H, Oraizi H, Amiri S. Neuropsychological aspects of preschoolers with and without neuropsychological/developmental learning disabilities. Journal of Exceptional Children 2008; 8(1): 1-18. [In Persian].

Swanson HL, Kehler P, Jerman O. Working memory, strategy knowledge, and strategy instruction in children with reading disabilities. J Learn Disabil 2010; 43(1): 24-47.

Rourke BP. Syndrome of nonverbal learning disabilities: Neurodevelopmental manifestations. New York, NY: Guilford Press; 1995.

Khalaf Beigi M, Akbar Fahimi M, Ashayeri H, Dostar H. The effect of musical activities on executive function in patients with schizophrenia. Ann Mil Health Sci Res 2013; 11(2): 120-9.

Dawson P, Guare R. Executive skills in children and adolescents: A practical guide to assessment and intervention. 3rd ed. New York, NY: Guilford Publications; 2018.

Seguin JR. Neurocognitive elements of antisocial behavior: Relevance of an orbitofrontal cortex account. Brain Cogn 2004; 55(1): 185-97.

Mirmehdi SR, Alizadeh H, Seif Naraghi M. The impact of training executive functions on mathematics and reading performance in primary students with specific learning disabilities. Journal of Exceptional Children 2009; 9(1): 1-12. [In Persian].

Wu KK, Anderson V, Castiello U. Neuropsychological evaluation of deficits in executive functioning for ADHD children with or without learning disabilities. Dev Neuropsychol 2002; 22(2): 501-31.

Faroughi P, Faraji R. The effectiveness of self-regulation training on executive functions of students with learning disabilities. Developmental Psychology 2015; 12(45): 51-9. [In Persian].

Abedi M, Omidi A. Standardization and revised preliminary study of validity and reliability of intelligence tests wechsler in Iran [MSc Thesis]. Tehran, Iran: Tehran psychiatric institute; 1995. [In Persian].

Sarrami GR. Standardization of the Wechsler test on the population living in Tehran [MSc Thesis]. Tehran, Iran: Tarbiat Modares University; 1993. [In Persian].

Chiang HL, Gau SS. Impact of executive functions on school and peer functions in youths with ADHD. Res Dev Disabil 2014; 35(5): 963-72.

Smith-Spark JH, Fisk JE. Working memory functioning in developmental dyslexia. Memory 2007; 15(1): 34-56.

Perfetti CA, Marron MA, Foltz PW. Sources of comprehension failure: Theoretical perspectives and case studies. In: Cornoldi C, Oakhill J, Editors. Reading comprehension difficulties: Processes and intervention. Mahwah, NJ: Lawrence Erlbaum Associates Publishers; 1996. p. 137-65.

Mclean K, Hitch J. Executive functions in student with and without mathematics disorder. J Learn Disabil 2001; 30(2): 214-25.

Davidson MC, Amso D, Anderson LC, Diamond A. Development of cognitive control and executive functions from 4 to 13 years: Evidence from manipulations of memory, inhibition, and task switching. Neuropsychologia 2006; 44(11): 2037-78.


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