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Esteban Villar-Rodríguez¹, Lidón Marin-Marin^2,3, César Avila⁴

¹Neuropsychology and Functional Neuroimaging, Universitat Jaume I, Castelllón de la Plana, Spain. esvillar@uji.es.

Behavioral and brain functions : BBF

|June 29, 2024

概括

左撇子音乐家在听觉处理区域和右弧形囊中增加了灰质体积. 这表明与右撇子音乐家共享的神经解剖学,可能解释左撇子的更高患病率和认知益处.

科学领域:

神经科学是一个神经科学.
认知科学认知科学
审计处理审计处理

背景情况:

左撇子包括非典型的右脑主导运动控制.
左撇子对音乐处理的神经解剖学和认知影响在很大程度上尚未被探索.
右撇子的音乐家表现出更大的听觉皮层和弧形囊体积.

研究的目的:

为了研究左撇子音乐家与非音乐家之间的神经解剖学差异.
探索左撇子音乐技巧,大脑结构和言语侧向化之间的关系.

主要方法:

使用神经成像对左撇子音乐家和非音乐家的灰质体积和白质区域进行比较.
评估了Heschl状圈的体积和弧形带 (AF) 的前段.
研究了语音横向化和AF不对称性之间的关联.

主要成果:

与非音乐家 (n=75) 相比,左撇子音乐家 (n=55) 在双边的Heschl's gyri中具有更大的灰质体积.
音乐家在右侧弧形囊中表现出增加的流线.
左撇子的非典型语音侧面化与右侧AF不对称相关,与典型侧面化个体的左侧不对称不同.

结论:

左撇子音乐家与右撇子音乐家共享神经解剖特征,特别是在听觉和听觉运动路径上.
非典型的语音横向化可能会增强左撇子音乐家的右听力运动通路,与音乐能力相关联.
这些发现可能解释了左撇子中音乐家的更高流行率及其认知优势.

关键词:

弧形的带 (fasciculus) 是一个弧形的带.赫斯克尔的圆周 (Heschls gyrus) 是一个人们是左撇子.音乐人音乐人音乐人

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