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首页> 外文期刊>Neurobiology of learning and memory >Investigating the effects of musical training on functional brain development with a novel Melodic MMN paradigm
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Investigating the effects of musical training on functional brain development with a novel Melodic MMN paradigm

机译:用新型Melodic MMN范例研究音乐训练对功能性大脑发育的影响

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摘要

Sensitivity to changes in various musical features was investigated by recording the mismatch negativity (MMN) auditory event-related potential (ERP) in musically trained and nontrained children semi-longi-tudinally at the ages of 9,11, and 13 years. The responses were recorded using a novel Melodic multi-feature paradigm which allows fast (<15 min) recording of an MMN profile for changes in melody, rhythm, musical key, timbre, tuning and timing. When compared to the nontrained children, the musically trained children displayed enlarged MMNs for the melody modulations by the age 13 and for the rhythm modulations, timbre deviants and slightly mistuned tones already at the age of 11. Also, a positive mismatch response elicited by delayed tones was larger in amplitude in the musically trained than in the non-trained children at age 13. No group differences were found at the age 9 suggesting that the later enhancement of the MMN in the musically trained children resulted from training and not pre-existing difference between the groups. The current study demonstrates the applicability of the Melodic multi-feature paradigm in school-aged children and indicates that musical training enhances auditory discrimination for musically central sound dimensions in pre-adolescence.
机译:通过记录受过训练的和未经训练的孩子的半不定年龄(分别为9、11和13岁)的失配负(MMN)听觉事件相关电位(ERP),研究了对各种音乐特征变化的敏感性。使用新颖的Melodic多特征范例记录了响应,该范例可以快速(<15分钟)记录MMN轮廓,以了解旋律,节奏,音乐音调,音色,调音和时机的变化。与未经训练的孩子相比,受过音乐训练的孩子在13岁时表现出更大的MMN,包括11岁时的旋律调制,音调变化,音色异常和轻微的音调模糊。此外,延迟引起的积极失配反应受过音乐训练的孩子在13岁时的音调幅度要比未经受训练的孩子大。在9岁时没有发现群体差异,这表明受过音乐训练的孩子中MMN的后期增强是由于受过训练而不是先前存在的群体之间的差异。当前的研究证明了旋律多特征范例在学龄儿童中的适用性,并表明音乐训练可以增强对青春期前音乐中心声音维度的听觉辨别力。

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