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相关概念视频

Concepts and Prototypes01:24

Concepts and Prototypes

111
The human nervous system handles vast amounts of information by translating sensory stimuli into neural impulses, which the brain processes, creating thoughts expressed through language or stored as memories. The brain also synthesizes information from emotions and memories, which significantly influence thoughts and behaviors. This intricate process creates a comprehensive mental picture.
The brain organizes this information using concepts, which are mental categories grouping linguistic data,...
111
Storage01:23

Storage

71
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
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Schemas01:42

Schemas

11.5K
A schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed.
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Natural and Artificial Concepts01:24

Natural and Artificial Concepts

123
In psychology, concepts can be divided into two categories: natural and artificial. Natural concepts are formed through direct or indirect experiences. For example, consider the concept of snow. If you live in a place with regular snowfall, such as Essex Junction, Vermont, you know snow through direct experiences. You’ve seen it fall, touched it, shoveled it, and played in it. You recognize its texture, appearance, and even its smell. In contrast, if you live on an island like Saint...
123
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

280
Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
280
Theorems of Pappus and Guldinus: Problem Solving01:12

Theorems of Pappus and Guldinus: Problem Solving

708
Pappus and Guldinus's theorems are powerful mathematical principles that are used for finding the surface area and volume of composite shapes. For example, consider a cylindrical storage tank with a conical top. Finding the surface area or volume can be challenging for such complex shapes. These theorems are particularly useful in calculating the volume and surface area of such systems. Here, the cylindrical storage tank with a conical top can be broken down into two simple shapes: a...
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相关实验视频

Updated: Jun 11, 2025

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
14:38

Creating Objects and Object Categories for Studying Perception and Perceptual Learning

Published on: November 2, 2012

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导航可记忆性景观:高压几何学揭示了对象概念记忆中的层次结构.

Fiona M Lee, Marc G Berman, Andrew J Stier

    bioRxiv : the preprint server for biology
    |October 10, 2024
    PubMed
    概括
    此摘要是机器生成的。

    对象的记忆性是由层次结构解释的. 靠近超标空间中心的概念更为典型和难忘,超标几何学在预测这些因素方面优于欧几里德几何学.

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    The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
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    相关实验视频

    Last Updated: Jun 11, 2025

    Creating Objects and Object Categories for Studying Perception and Perceptual Learning
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    Published on: November 2, 2012

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    The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
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    科学领域:

    • 认知科学 认知科学
    • 计算机科学 计算机科学
    • 神经科学是一个神经科学.

    背景情况:

    • 对象的记忆力受到特征和典型性的影响,但完全理解仍然难以捉摸.
    • 之前的研究已经探索了影响对象记忆的各种因素.
    • 对象概念之间的几何关系作为记忆力的决定因素尚未得到充分研究.

    研究的目的:

    • 调查对象概念之间的几何关系是否解释了它们的记忆能力的差异.
    • 为了测试这个假设,对象概念是按层次排列的,并且记忆能力与这个层次中的概念深度有关.
    • 为了比较Hyperbolic与Euclidean几何学的预测能力,以了解概念的记忆性和原型性.

    主要方法:

    • 从THINGS数据库中为1854个对象概念构建了一个超标表示空间.
    • 利用 49 个特征维度,这些维度来自数据驱动模型.
    • 应用ALBATROSS,一个随机拓数据分析技术,以检测等级结构.

    主要成果:

    • 超标几何学有效地捕捉了对象概念的层次组织,超越了欧几里德几何学.
    • 发现层次组织与对象的记忆能力有关.
    • 靠近表示空间中心的概念更具原型性和更难忘.
    • 超标距离比欧几里德距离更能预测记忆力和原型性.

    结论:

    • 对象的可记忆性和典型性是按层次组织的.
    • 已经确定了一个对象概念的新的等级表示结构.
    • 超标几何学为理解概念组织和记忆能力提供了更有效的框架.