在早产儿中长期存在的听觉感官和语义差异.
Chrysa Retsa1,2,3, Hélène Turpin4,5, Eveline Geiser4
1The Radiology Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland. Chrysoula.Retsa@chuv.ch.
Brain topography
|November 27, 2023
概括
过早出生会影响听觉处理,改变大脑对生活声音的反应,而不是10岁时的人造物体的反应. 听觉唤起潜能 (AEP) 的这种差异可以根据早产状态对儿童进行分类.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 听觉神经科学 听觉神经科学
背景情况:
- 超过10%的出生是早产,对感官处理的长期影响仍然不清楚.
- 早产会影响认知发展,包括个人如何处理非语言听觉信息.
研究的目的:
- 研究10岁非常早产对听觉物体识别和大脑活动的长期影响.
- 为了比较听觉唤起的潜力 (AEPs) 之间的非常早产的孩子和满期的控制使用来自生物和人造物体的声音.
主要方法:
- 听觉对象识别任务对17名非常早产的儿童和15名10岁的全期控制进行了管理.
- 在声音呈现过程中记录64通道的听觉唤起潜能 (AEP).
- 分析AEP对生活声音 (例如发声) 和人造物体 (例如工具) 的反应.
主要成果:
- 尽管有相似的行为识别,但AEP在早产和满期儿童之间存在显著差异.
- 与对照组相比,早产儿表现出明显的地形AEP和对生活和人造物体的反应强度的反向模式.
- 对声音类别的不同大脑反应可靠地根据早产状态分类儿童,在AEP和来源估计中观察到.
结论:
- 非常早产显著塑造感官和对象处理,特别是改变听觉大脑对语义声音类别的响应.
- 在AEP中观察到的对立模式表明,与早产相关的早期生活经历对环境声音的神经处理有持久的影响.
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