吉拉尔王冠有助于人类面部处理的皮质基础设施
Ethan H Willbrand1,2, Joseph P Kelly3, Xiayu Chen4
1Medical Scientist Training Program, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA.
概括
状回形圈的回旋冠高度降低与发育性prosopagnosia (DPs) 个体的面部识别受损有关. 这一发现突出了一个新的神经解剖学特征,影响DP和神经典型个体的面部处理.
科学领域:
- 神经科学是一个神经科学.
- 认知神经科学 认知神经科学
- 神经解剖学是一个神经解剖学.
背景情况:
- 皮层折叠,特别是旋转冠高,对于大脑功能和个体行为差异至关重要.
- 功能专业化和旋转王冠之间的关系,特别是在临床种群中,仍未得到充分研究.
- 面部感知依赖于专门的大脑区域,如状回形 (FG).
研究的目的:
- 调查旋转冠状形态与FG的面部选择区域之间的关系.
- 为了检查与发育性prosopagnosia (DPs) 和神经类型对照 (NTs) 个体之间的FG旋转冠的高度和尺寸的差异.
- 确定这些结构差异是否与人脸识别能力相关.
主要方法:
- 使用神经成像技术,比较了DP (N=22) 和NT (N=25) 中的旋转冠高度和FG面部选择性区域大小.
- 在更大的NT样本中 (N=1,053) 复制了关于旋转冠和FG区域大小之间的关系的发现.
- 与面部感知性能相关的结构测量.
主要成果:
- 与NT相比,DP个体在中部FG面部选择区域的尺寸和旋转冠高下降.
- 这些结构差异与面部感知能力有显著的关系.
- 旋转冠高度和FG面部选择性区域大小之间的关联在一个大的神经类型队列中得到证实.
结论:
- 状冠的高度是一个重要的神经解剖学因素,影响面部处理的皮质基础设施.
- 减少FG的旋转冠高度与发育前视觉障碍中的面部识别受损有关.
- 这一发现为面部感知提供了新的神经解剖学洞察力,适用于临床和神经类型人群.
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