焦点大脑损伤导致获得的阿穆西亚映射到一个共同的大脑网络
Aleksi J Sihvonen1,2,3,4, Michael A Ferguson5,6,7, Vicky Chen8
1Cognitive Brain Research Unit, Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki 00014, Finland aleksi.sihvonen@helsinki.fi.
概括
这项研究确定了处理音乐的独特大脑网络,与语言网络分开. 损伤网络映射揭示了这个网络,为治疗amusia (神经音乐处理缺陷) 提供了潜在的目标.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 认知科学 认知科学
背景情况:
- 音乐处理中的缺陷Amusia是由各种大脑区域的病变引起的,通常与失语症同时发生.
- 由于病变位置异质,导致amusia背后的特定神经网络仍然不清楚.
研究的目的:
- 使用病变网络映射识别负责amusia的独特神经网络.
- 为了区分音乐处理与语言处理的神经基质.
主要方法:
- 对病变诱导的amusia病例报告的系统文献综述.
- 损伤网络映射应用于病例报告和97名中风患者的前性队列.
- 结构性脑成像和评估音乐感知和语言能力.
主要成果:
- 造成amusia的病变汇聚在一个共同的大脑网络上,主要涉及双边时和岛屿皮层,前中心,以及带膜.
- 在潜在的队列中,amusia病变映射到一个以右上皮质为中心的网络,与失语网络不同.
- 在amusia网络中的结构变化 (灰色和白色物质的减少) 与amusia严重程度相关.
结论:
- 尽管病变部位各不相同,但在音乐处理的基础上有一个共同的,独特的大脑网络.
- 这项研究将音乐的神经基础与语言区分开来,通过非侵入性大脑刺激确定了通过非侵入性大脑刺激来治疗amusia的潜在目标.
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