可分离的认知系统用于识别地点和通过它们导航:发展和神经心理学的证据
Frederik S Kamps1,2, Rebecca J Rennert1, Samaher F Radwan1
1Department of Psychology, Emory University, Atlanta, Georgia 30322.
概括
视觉引导导航比场景分类更晚发展. 患有威廉姆斯综合征的成年人表现出导航缺陷,但没有场景识别问题,支持不同的大脑系统进行位置识别和导航.
科学领域:
- 认知神经科学 认知神经科学
- 发展心理学 发展心理学
- 神经心理学 神经心理学
背景情况:
- 神经证据表明,用于场景分类 (识别一个地方) 和视觉引导导航 (穿越一个地方) 的独立大脑系统.
- 需要行为数据来支持关于差异性发展和分解的两个场景系统假设.
研究的目的:
- 通过检查威廉姆斯综合征儿童和成人场景分类和视觉引导导航来测试两个场景系统假设.
- 为可分离的认知系统提供融合的行为证据,用于位置识别和导航.
主要方法:
- 在场景分类和视觉引导导航任务上测试了131名典型发育的儿童 (4-9岁) 和46名患有威廉姆斯综合征的成年人.
- 年龄组之间的表现和威廉姆斯综合征组内的表现相对于心理年龄匹配对照相比较.
主要成果:
- 视觉导航导航能力比场景分类能力晚发展.
- 与精神年龄相匹配的儿童相比,患有威廉姆斯综合征的成年人在视觉引导导航方面表现出障碍,但在场景分类方面没有.
结论:
- 这些发现提供了第一个发展和神经心理学证据,证明了不同的认知系统可以识别地方并通过它们导航.
- 支持视觉处理中的感知和行动系统之间分工的一般原则.
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