对众多的天生的反应揭示了新的视觉上天真的小在不同大脑区域的神经激活
Elena Lorenzi1, Matilde Perrino1, Andrea Messina1
1CIMeC, University of Trento, Rovereto, TN, 30868, Italy.
Heliyon
|August 7, 2024
概括
新出的小可以区分不同的数量,这表明它们具有天生的数值能力. 这种天生的非象征性量歧视能力涉及特定的神经网络.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 发展心理学 发展心理学
背景情况:
- 对于非符号数字认知的天生的能力是有争议的.
- 了解数量表示的神经基础至关重要.
研究的目的:
- 调查非象征性数量歧视是否是新出的小的天生的能力.
- 探索视觉上天真的动物中数量处理的神经相关性.
主要方法:
- 视觉上天真的小被呈现出不同数量的视觉刺激 (闪的点).
- 刺激的物理性质 (大小,密度等) 被随机分配,以隔离数字的影响.
- 早期基因c-fos的表达在特定的大脑区域被测量.
主要成果:
- 小自发地根据数量 (1:3比率) 进行了刺激之间的区别.
- 在视觉Wulst,海马体形成和caudolaterale nidopallium中观察到差异性的c-fos表达.
- 大脑活动模式因固定和变化的多元刺激而有所变化.
结论:
- 区分数量的能力很可能是天生的,不需要特殊的学习.
- 由数选择性神经元组成的神经网络支持非象征性数值认知.
- 这些发现支持非象征数字认知的天生性,这对神经生物学和哲学有影响.
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