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基于特征的注意力在人类前额叶皮层的类别诱导的全球影响的来源

Ling Huang¹, Jingyi Wang¹, Qionghua He¹

¹Key Laboratory of Brain, Cognition and Education Sciences, Ministry of Education, South China Normal University, Guangzhou, Guangdong 510631, China; School of Psychology, Center for Studies of Psychological Application, Guangdong Provincial Key Laboratory of Mental Health and Cognitive Science, South China Normal University, Guangzhou, Guangdong 510631, China.

|September 2, 2023

概括

注意力可以在全球范围内传播,基于学习的类别,而不仅仅是相似的特征. 这种类别诱导的基于特征的全局注意力 (FBA) 效应在人类大脑区域如MT+和前对对面区域中被观察到.

科学领域:

认知神经科学认知神经科学
视觉感知视觉感知视觉感知
神经科学是一个神经科学.

背景情况:

基于特征的注意力 (FBA) 传统上会影响具有相似特征的刺激.
学习类别对全球FBA效应的影响在很大程度上仍未被探索.
现有的模型,如特征相似度增益模型,主要关注低级特征重叠.

研究的目的:

调查学习的类别是否可以诱导基于特征的全球注意力 (FBA) 效应.
检查类别诱导的全球FBA的神经相关物.
确定负责调解这种效果的大脑区域.

主要方法:

人类参与者被训练来分类运动方向.
采用了经典的基于运动的注意力任务.
使用功能神经成像和有效的连接性分析.

主要成果:

在中区域 (MT+) 和前平行区域观察到一个类别诱导的全球FBA效应.
关注一个特定的运动方向,扩展到同一个学习类别内的其他方向.
注意力没有扩展到属于不同类别的运动方向.
有效的连接性分析揭示了从下额节 (IFJ) 到MT+的反作为效应的来源.

结论:

学习的类别可以诱导基于特征的全球注意力 (FBA) 效应.
下额节 (IFJ) 在通过对视觉区域的反来调解类别诱导的全球FBA方面发挥着作用.
这些发现表明FBA比以前理解的具有更广泛的生态相关性.

关键词:

科普:神经科学是什么意思分类分类的分类.学习类别学习类别学习基于特征的注意力.全球影响全球影响.前额叶皮层前额叶皮层

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