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调查早期聋对学习行动效应应对与外围感官影响相关的行动应急性的影响

Tiziana Vercillo¹, Alexandra Scurry², Fang Jiang²

¹Istituto Italiano di Tecnologia, Universita' la Sapienza, Rome, Italy.

Neuropsychologia

|July 31, 2024

概括

早期的聋人个体在感官运动任务中表现出改变的感官处理. 他们的注意力从中央转移到外围的视觉刺激,这表明在听觉剥夺后的大脑可塑性.

科学领域:

神经科学是一个神经科学.
感官处理感官处理
大脑的可塑性大脑的可塑性.

背景情况:

听觉剥夺增强了外围视觉和触觉处理.
以前的研究集中在被动感官感知上,而不是与行动相关的结果.

研究的目的:

调查早期聋人是否表现出对外视觉反的增强感官运动处理.
探索在感官运动合期间聋人个体的注意力资源再分配.

主要方法:

神经行为实验与15个听力和15个早期聋人成年人进行.
行为任务:按下按与中央或外围视觉反.
准备潜力和视觉唤起反应的电生理学记录 (EEG) (N1, P2).

主要成果:

与听觉人士相比,聋人对中央视觉刺激的神经调制减少.
在感官运动任务期间,对聋人患者的外周视觉刺激没有观察到增强的神经调制.
结果表明,聋人注意力资源从中央视力转移到外围视力.

结论:

早期的听觉剥夺导致在感觉运动合期间注意力资源的重新分配.
这一发现突显了大脑的可塑性和在没有听觉输入的情况下的适应性感官处理.

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