Uzun Süreli Eğitim Almış Sağ Elini Kullanan Piyanistler ile Yaşça Eşleştirilmiş Müzisyen Olmayan Bireyler Arasında Basit İşitsel Reaksiyon Sürelerindeki Farklılıklar

Öz

Bu çalışma, uzun süreli piyano eğitiminin sağ elini kullanan bireylerde sabit ve rastgele işitsel uyaranlara yanıt olarak işitsel reaksiyon zamanları (RZ) ve eller arası performans simetrisi üzerindeki etkilerini incelemeyi amaçlamıştır. Çalışmada, sağ elini kullanan piyanistler (n = 10) ve yaşa göre eşleştirilmiş sağ elini kullanan müzikle uğraşmayan bireyler (n = 20) üzerinde hem sabit hem de rastgele işitsel uyaranlara yanıt olarak sağ ve sol el reaksiyon zamanları ölçüldü. Her iki elin reaksiyon zamanları standart bir işitsel RZ değerlendirme sistemi kullanılarak kaydedildi. Piyanistler, hem rastgele (p = 0,0012) hem de sabit uyaranlar (p = 0,0212) için sağ el reaksiyon zamanlarında müzikle uğraşmayanlara kıyasla anlamlı olarak daha kısa süreler gösterdi. Grup içi karşılaştırmalar, hem piyanistler (p = 0,0443) hem de müzikle uğraşmayanlar (p = 0,0364) için sağ elde rastgele–sabit uyaranlar arasında anlamlı farklılıklar olduğunu gösterdi. El karşılaştırması analizleri, piyanistler arasında rastgele uyaranlara yanıt olarak sağ–sol el farkının anlamlı olmadığını (p = 0,9268), müzikle uğraşmayanlarda ise sol elin sağ elden anlamlı şekilde daha hızlı yanıt verdiğini ortaya koydu (p = 0,0296). Sabit uyaran koşullarında, piyanistlerin sağ eli sol elden anlamlı şekilde daha hızlıdır (p = 0,0075). Bu bulgular, sağ hemisferin duyusal-motor entegrasyon ve dikkat süreçlerindeki hızıyla açıklanabilir.

Anahtar Kelimeler

• Piyanistler
• reaksiyon süresi
• işitsel uyaran
• motor kontrol
• el dominansı

Differences in Simple Auditory Reaction Times Between Long- Term Trained Right-Handed Pianists and Age-Matched Non- Musicians

Öz

This study aimed to investigate the effects of long-term piano training on auditory reaction times (RTs) and inter-hand performance symmetry in response to fixed and random auditory stimuli in right-handed individuals. In this study, we measured the reaction times of the right and left hands of right-handed pianists (n = 10) and age-matched right-handed non-musicians (n = 20) in response to both fixed and random auditory stimuli. Reaction times of both right and left hands were recorded using a standardized auditory RT assessment system. Pianists demonstrated significantly shorter right-hand reaction times than non-pianists for both random (p = 0.0012) and fixed stimuli (p = 0.0212).Within-group comparisons showed significant random–fixed differences for the right hand in both pianists (p = 0.0443) and non-pianists (p = 0.0364). Hand comparison analyses revealed no significant right–left difference among pianists in response to random stimuli (p = 0.9268), while non-pianists responded significantly faster with the left hand (p = 0.0296). Under fixed-stimulus conditions, pianists’ right hand was significantly faster than the left (p = 0.0075). These findings may be explained by the right hemisphere's speed in sensory-motor integration and attention.

Anahtar Kelimeler

• Pianists
• reaction time
• auditory stimulus
• motor control
• hand dominance

Kaynakça

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