人脸网络的功能连接性从婴儿期到成年期表现出右半球侧面化
Keren Lesinger1, Gideon Rosenthal2, Karen Pierce3
1Department of Psychology, Ben-Gurion University of the Negev, POB 653, 8410501, Beer Sheva, Israel.
Scientific reports
|November 27, 2023
概括
人类大脑从婴儿时期就显示出右半球对面部处理的优势,而不仅仅是在成年时. 这种早期的横向化是面部选择性区域的特征,与对象或位置区域不同.
科学领域:
- 神经科学是一个神经科学.
- 发育神经科学的发展神经科学.
- 认知神经科学 认知神经科学
背景情况:
- 成年人通常在面部处理方面表现出右半球的主导地位.
- 了解这种横向化的发育轨迹至关重要.
研究的目的:
- 调查从婴儿期到成年期面部处理侧面化的年龄相关变化.
- 为了比较面部选择性与位置和对象选择性区域的横向化模式,跨年龄组.
主要方法:
- 在1-48岁的194名参与者中进行了横截面研究.
- 同时注册的解剖和静止状态功能磁共振成像 (fMRI) 扫描.
- 在面部,位置和对象选择性区域中检查了功能连接.
主要成果:
- 在核心面部选择性区域的功能连接中,右半球的主导地位在成年人中被观察到.
- 这种向右侧的横向存在于所有年龄组,包括婴儿,儿童和青少年.
- 侧面化是面部选择性区域的特征,而不是在位置或对象选择性区域观察到的.
结论:
- 核心面部选择性区域的功能连接性从婴儿时期就表现出向右侧的横向化.
- 这表明面部选择性与对象/地点选择性大脑区域的不同发育轨迹.
- 早期的功能横向化在这些大脑区域的成熟面部选择性反应之前.
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