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Updated: Jul 14, 2025

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A Method to Study Adaptation to Left-Right Reversed Audition
Published on: October 29, 2018
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听觉皮层和前侧双面网络之间的功能连接增加,可以弥补早期听觉丧失后视觉运动转换受损的情况
Li Song1, Pengfei Wang1, Hui Li1
1Center for Studies of Psychological Application and School of Psychology, South China Normal University, Guangzhou 510631, China.
Cerebral cortex (New York, N.Y. : 1991)
|October 9, 2023
概括
早期失聪会重组大脑网络,影响视觉运动技能. 听觉皮层表现出补偿性可塑性,增强前侧对称网络连接,以改善尽管听力损失的空间判断.
科学领域:
- 神经科学是一个神经科学.
- 听觉神经科学 听觉神经科学
- 认知神经科学 认知神经科学
背景情况:
- 早期的听觉剥夺导致大脑网络在听觉系统之外进行重组.
- 耳聋会损害视觉运动转换,这与改变的前端对象和默认模式网络相互作用有关.
- 听觉皮层在这种视觉运动障碍中的作用仍然不清楚.
研究的目的:
- 研究包括听觉皮层在内的重组的大脑网络如何影响早期聋人个体的视觉运动转换.
- 在聋人和听力参与者进行空间位置判断时检查功能连接模式.
主要方法:
- 在视觉空间位置判断任务中使用fMRI进行功能连接性分析.
- 听障/听力障碍参与者与听力正常的对照者之间的大脑活动和网络合的比较.
主要成果:
- 聋人参与者显示,上时 (听觉皮层) 与前双双体和默认模式网络之间的功能连接性增加.
- 这种增强的连接具有相反的效果:上线-前对称合改善了自我中心的判断,而上线-默认模式合恶化了性能.
- 在自我中心的判断过程中,听觉皮层表现出与前端对象网络的连接性增加.
结论:
- 听力皮层在早期聋时表现出补偿性神经可塑性.
- 听觉皮层和前面对面网络之间的功能连接的增强可能会减轻视觉运动转换障碍.
- 这些发现凸显了大脑在应对感官剥夺时的适应能力.
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