NEUROCOGNITIVE EVIDENCE FOR DEFICIT OF HEMISPHERE LATERALIZATION IN AUTISTIC CHILDREN

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NEJATI VAHID; IZADI NAJAFABADI SARA

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Journal: Journal of Research in Rehabilitation Sciences Year:2013 | Volume:8 | Issue:6 Page(s): 1063-1076

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Title

NEUROCOGNITIVE EVIDENCE FOR DEFICIT OF HEMISPHERE LATERALIZATION IN AUTISTIC CHILDREN

Author(s)

NEJATI VAHID | IZADI NAJAFABADI SARA | Issue Writer Certificate

Keywords

AUTISMQ2

LATERALIZATIONQ2

CEREBRAL HEMISPHEREQ2

DICHOTIC LISTENING TASKQ2

TAPPINGQ2

EDINBURG LATERALITY QUESTIONNAIREQ2

Abstract

Introduction: One of the most exclusive concepts of human brain organization is cerebral asymmetry and AUTISM is one of those disorders affecting cerebral asymmetry and hemispheres functions. The aim of this study was to investigate the asymmetry differences in AUTISM children in relative to their typical matched peers and demonstrate handedness and language LATERALIZATION relation.Materials and Methods: In this study, twenty six boys with high-function AUTISM symptoms, screened by ASSQ, and twenty seven age- and IQ-matched boys were randomly selected from some elementary schools in Najafabad. All participants were assessed using the Edinburg handedness laterality inventory, TAPPING, and DICHOTIC LISTENING TASKs. After data collection, analysis was performed using SPSS, version 19.Results: Results showed that 19.2% of autistic children were left-handed and there was a significant difference in the Edinburg handedness scores between two groups (P<0.050). Hands difference in TAPPING task was not statistically significant (P>0.050) in AUTISMs and hand difference between two groups was prominently significant (P=0.021). REA was shown using DICHOTIC LISTENING TASK in AUTISM boys (P<0.001), but significant difference (P=0.007) was seen between two ears in two groups. No correlation was found between handedness and language LATERALIZATION.Conclusion: Our results showed that the normal LATERALIZATION was not observed in three used tasks; TAPPING, Dichotic listening, and Edinburg laterality inventory. Normal cerebral asymmetry was impaired in autistic boys. High prevalence of left-handedness in children with AUTISM also confirmed abnormal brain asymmetry in AUTISM. Although there is a close relationship between handedness and language LATERALIZATION, and no significant correlation was found between them.

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APA: Copy

NEJATI, VAHID, & IZADI NAJAFABADI, SARA. (2013). NEUROCOGNITIVE EVIDENCE FOR DEFICIT OF HEMISPHERE LATERALIZATION IN AUTISTIC CHILDREN. JOURNAL OF RESEARCH IN REHABILITATION SCIENCES, 8(6), 1063-1076. SID. https://sid.ir/paper/144144/en

Vancouver: Copy

NEJATI VAHID, IZADI NAJAFABADI SARA. NEUROCOGNITIVE EVIDENCE FOR DEFICIT OF HEMISPHERE LATERALIZATION IN AUTISTIC CHILDREN. JOURNAL OF RESEARCH IN REHABILITATION SCIENCES[Internet]. 2013;8(6):1063-1076. Available from: https://sid.ir/paper/144144/en

IEEE: Copy

VAHID NEJATI, and SARA IZADI NAJAFABADI, “NEUROCOGNITIVE EVIDENCE FOR DEFICIT OF HEMISPHERE LATERALIZATION IN AUTISTIC CHILDREN,” JOURNAL OF RESEARCH IN REHABILITATION SCIENCES, vol. 8, no. 6, pp. 1063–1076, 2013, [Online]. Available: https://sid.ir/paper/144144/en

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