具有更高系统化特征的人右手更宽,右手更宽
Na Chen1, Souta Hidaka2,3, Naomi Ishii1
1Developmental Disorders Section, Department of Rehabilitation for Brain Functions, Research Institute of National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama, Japan.
Frontiers in psychiatry
|September 20, 2024
概括
患有自闭症谱系障碍 (ASD) 的人可能会表现出微妙的手部差异. 这项研究发现了右侧比例与一般人群中的系统化特征之间的联系.
科学领域:
- 神经发育障碍 神经发育障碍
- 人类解剖学 人类解剖学
- 遗传学 遗传学是一种遗传学.
背景情况:
- 自闭症谱系障碍 (ASD) 与影响神经发育和潜在的手部发育的遗传因素有关.
- 细微的解剖学变异,如手的配置,可能存在于患有ASD的个体.
- 关于自闭症指数比率的研究是有限的,可能与产前激素暴露有关.
研究的目的:
- 调查一般人群中手形状与自闭症相关特征之间的关联.
- 探索这些关联的潜在遗传或荷尔蒙基础.
主要方法:
- 捕获了手背表面的照片.
- 测量包括甲手腕关节距离和手指长度.
- 与自闭症相关的特征被评估使用自闭症谱系系数,同理心系数和系统化系数.
主要成果:
- 在右手的尺寸比率和系统化比率得分之间观察到显著的正相关性.
- 面积比较高的人 (相对于手指的长度而言,手的宽度更大) 表现出更多的系统化特征.
结论:
- 手的配置,特别是右手的比例,与系统化特征有关.
- 这些发现表明,遗传多态或产前性激素暴露可能会影响系统化能力和手形态.
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