The relationship between speech difficulties and brain laterality in Attention Deficit Hyperactivity Disorder and Specific Learning Disorder

Yıl 2021, , 250 - 256, 31.12.2021

Semra Yılmaz , Fatma Akyüz

https://doi.org/10.30565/medalanya.927423

Öz

Aim: We aimed to examine the behavioral determinants of brain laterality and their associations with speech difficulties in children with Attention Deficit Hyperactivity Disorder (ADHD) and Specific Learning Disorder (SLD).

Methods: This cross-sectional study was conducted with a clinical sample of 7-18 years old patients with ADHD and/or SLD diagnosis. Patients’ sociodemographical, developmental and medical information were taken during their clinical interviews. Behavioral determinants of brain laterality were assessed by several motor tasks. These tasks were “handwriting” for handedness, “looking through the telescope” for eyedness, and “hitting the ball or standing on one foot” for footedness.

Results: A total of 130 patients participated in the study. Left side preference and crossed laterality were common in patients with SLD (with or without comorbid ADHD) but not in patients with pure ADHD. Left eyedness/footedness were associated with speech disorders (p<0,05).

Conclusion: This study has shown that even after controlling for other factors affecting the development of brain laterality SLD, but not ADHD, is associated with left-sided preference and cross laterality. The relationship between speech disorders and left-eyedness/footedness in ADHD and SLD patients suggests that development of brain laterality is actually mediated by speech development.

Anahtar Kelimeler

ADHD, brain laterality, speech disorders, Dyslexia

Destekleyen Kurum

Yok

Teşekkür

We would like to thank all the patients who participated in the study for their readiness and engagement as well as their patience and effort. All authors state that there was no funding of the study and there was no conflict of interest.

Dikkat eksikliği ve Hiperaktivite Bozukluğu ve Özgül Öğrenme Bozukluğunda Beyin Lateralitesinin Konuşma Problemleri ile İlişkisi

Öz

Amaç: Bu çalışmada Dikkat Eksikliği Hiperaktivite Bozukluğu (DEHB) ve Özgül Öğrenme Bozukluğu (ÖÖB) tanıları olan çocuklarda beyin lateralitesinin davranışsal belirteçleri ve bunların konuşma problemleri ile ilişkisinin incelenmesi amaçlanmıştır.

Yöntemler: Bu kesitsel çalışma DEHB ve/veya ÖÖB tanılarına sahip 7-18 yaşındaki hastalardan oluşan klinik bir örneklem ile yürütülmüştür. Hastaların sosyodemografik, gelişimsel ve medikal bilgileri klinik görüşme sırasında alınmıştır. Beyin lateralitesinin davranışsal belirteçleri çeşitli motor görevler ile değerlendirilmiştir. Bu görevler el tercihi için "kalem ile yazma", göz tercihi için "teleskoptan bakma", ayak tercihi için "topa vurma" veya "tek ayak üzerinde durma" idi.

Bulgular: Çalışma DEHB ve/veya ÖÖB tanısı olan toplam 130 hasta ile tamamlanmıştır. Sol el-göz ve ayak tercihi ve çapraz lateralite ÖÖB (komorbid DEHB olsun veya olmasın) tanısı olan hastalarda sık iken sadece DEHB tanısı olanlarda değildi. Sol göz/ayak tercihi konuşma bozuklukları ile ilişkili idi (p<0,05).

Sonuç: Bu çalışma beyin lateralitesini etkileyen diğer faktörlerin kontrol edilmesinden sonra bile DEHB’nin değil ama ÖÖB’nin sol-yan tercihi ve çapraz lateralite ile ilişkili olduğunu saptamıştır. DEHB ve ÖÖB olan hastalarda konuşma bozuklukları ve sol göz/ayak tercihi arasındaki ilişkiyi gösteren diğer bulgumuz ise bu bozukluklardaki beyin lateralitesinin gelişimine aslen konuşma gelişiminin aracılık ettiğine işaret etmektedir.

Anahtar Kelimeler

DEHB, beyin lateralitesi, konuşma problemleri, disleksi,

Kaynakça

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