婴儿时期的不同感官维度与可分离的病因影响以及幼儿时期的自闭症特征有关
Giorgia Bussu1, Ana Maria Portugal1, Terje Falck-Ytter1,2
1Development and Neurodiversity Lab, Department of Psychology, Uppsala University, Uppsala, Sweden.
概括
婴儿的感官处理差异有遗传和环境的影响,其中一些与后来的自闭症特征有关. 了解这些早期变异是典型和非典型发育研究的关键.
科学领域:
- 发展心理学是发展心理学.
- 行为遗传学行为遗传学
- 神经科学是一个神经科学.
背景情况:
- 婴儿在感官处理方面表现出显著的变化,这是后来的自闭症诊断中所涉及的一个因素.
- 虽然已知老年人对感官处理的遗传影响,但婴儿期的病因因素仍未得到充分研究.
- 婴儿早期是大脑发育和通过感官与照顾者的互动学习的关键时期.
研究的目的:
- 研究5个月大的婴儿感官处理维度的表型和病因结构.
- 探索婴儿感官处理和幼儿时期自闭症特征之间的发展联系.
- 划分遗传学和环境对婴儿感官处理中的个体差异的贡献.
主要方法:
- 来自瑞典婴儿双胞胎研究 (BATSS) 的285对同性双胞胎 (单胞胎和双胞胎) 的数据分析.
- 利用探索性因子分析,概括估计方程和多变量双胞胎模型.
- 使用婴儿/幼儿感官概况评估感官处理,使用幼儿自闭症定量检查清单评估自闭症特征.
主要成果:
- 确定了可分离的表型和病因结构,用于感官处理维度 (寻找感觉,避免感觉,敏感性,低登记).
- 对于每个感官维度,发现了附加遗传学和独特的家庭环境的重大贡献.
- 观察到触觉敏感性,感觉避开,低登记和幼儿时期更高的自闭症特征之间的关联.
结论:
- 提供了婴儿感官处理的表型和病因结构的详细地图.
- 突出了对不同感官维度的独特遗传和环境影响.
- 证明了婴儿感官处理模式对于理解典型和非典型发育轨迹,包括自闭症特征的相关性.
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