相关实验视频
Updated: Sep 16, 2025

04:43
Visualizing Visual Adaptation
Published on: April 24, 2017
9.1K
环境的变化塑造了文化学习的代表形式
Xavier Roberts-Gaal1, Marija Bolic1,2, Fiery A Cushman1
1Department of Psychology, Harvard University, Cambridge, MA 02138.
概括
文化学习平衡了效率和灵活性. 微文化在稳定的环境中使用程序,在可变的环境中使用目标/因果推理,将学习策略适应环境条件.
科学领域:
- 认知科学 认知科学
- 进化人类学 进化人类学
- 行为经济学是一种行为经济学.
背景情况:
- 累积文化依赖于高效和灵活的学习机制.
- 学习可以通过程序 (做什么) 或目标/因果推理 (目标是什么以及为什么) 来实现.
- 程序是有效的,但不灵活的;目标/因果推理是灵活的,但需要更多的个人学习.
研究的目的:
- 研究文化学习机制如何适应环境的稳定性和变化.
- 为了比较程序的传输与目标/因果推理在代学习.
主要方法:
- 代学习实验模拟微文化.
- 操纵环境的稳定性与变化性.
- 追踪过程性信息与基于目标的信息的传输.
主要成果:
- 微文化在稳定的环境中更频繁地传递程序.
- 微文化在可变环境中更频繁地传递关于目标和因果关系的信息.
- 文化学习在应对环境变化时表现出适应性灵活性.
结论:
- 文化学习系统根据环境可预测性动态调整其战略.
- 程序式和基于目标的学习之间的平衡对于保持累积文化至关重要.
- 这项研究为文化适应的理论模型提供了经验支持.
相关概念视频
Environmental Influences on Intelligence
429
Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children...
429
Cognitive Learning
551
Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
551
Gene-Environment Interactions
573
Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
573
Variability: Analysis
192
Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
The range is a simple measure of variability, indicating the difference between the highest and...
The range is a simple measure of variability, indicating the difference between the highest and...
192
Heritability
308
Heritability is a statistical concept that measures the degree to which genetic differences among individuals contribute to trait variations within a population. It is a fundamental idea in genetics, often prone to misinterpretation. Heritability is expressed as a percentage, reflecting the proportion of variation in a specific trait across a population that can be linked to genetic differences. However, it's important to understand that heritability does not determine how "genetic"...
308
Cultural Influences on Personality
355
Individualist and collectivist cultures emphasize different core values, shaping personality in distinct ways. In individualist cultures, such as those in the United States, England, and Australia, people prioritize independence, competition, and personal achievement. These societies tend to promote self-focused traits, with individuals often reporting higher levels of self-esteem. In contrast, collectivist cultures, commonly found in regions like Asia, Africa, and South America, emphasize...
355

