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部分闭塞对灵长类动物上层角内反应动力学和区域间处理的影响

Anna Bognár^1,2, Ghazaleh Ghamkhari Nejad^1,2, Rufin Vogels^3,2

¹Department of Neurosciences, KU Leuven, Leuven 3000, Belgium.

The Journal of neuroscience : the official journal of the Society for Neuroscience

|October 7, 2025

概括

识别部分封闭的物体是具有挑战性的,但大脑使用不同的神经动力学. 阻塞会降低反应强度,延迟识别,反机制有助于在上突 (STS) 中进行处理.

科学领域:

神经科学是一个神经科学.
认知科学认知科学
视觉感知视觉感知视觉感知

背景情况:

对象识别,特别是部分闭塞,是灵长类动物的关键视觉功能.
在的下皮质中,处理封闭对象的神经机制显示出不同的结果.

研究的目的:

调查闭塞如何影响上突 (STS) 的身体选择性区域的神经反应.
澄清阻塞对反应强度,延迟和解码身体刺激准确性的影响.

主要方法:

在的中部和前部STS中记录了单个单位的活动.
呈现的身体刺激与不同程度的闭塞使用点图案.
分析了响应强度,延迟,解码精度和表示相似性.

主要成果:

闭塞减少了反应强度,增加了中部和前部STS的发病延迟.
身体选择性得到维持,但解码精度下降,并延迟与增加的闭塞.
在高阻塞下,观察到STS区域之间不同的响应动态和潜在的反机制.

结论:

对被遮住的物体的神经反应的特征是强度降低和处理延迟.
上突 (STS) 使用特定的动态和反机制来支持在闭塞下识别.
这些发现有助于理解在自然条件下强大的视觉感知的神经基础.

关键词:

身体的感知身体的感知下部皮质下部皮质非人类灵长类的灵长类.封闭性封闭是什么?一个单一的单元单元单元.上神经上神经

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