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相关概念视频

Language Development01:22

Language Development

299
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
299
Piaget's Stage 1 of Cognitive Development01:14

Piaget's Stage 1 of Cognitive Development

581
The sensorimotor stage, the initial phase of Jean Piaget's theory of cognitive development, spans the first two years of a child's life. During this period, infants actively engage with their surroundings, building cognitive awareness through direct interaction with the world. This interaction is primarily based on sensory perception and motor actions, allowing infants to gradually understand basic physical properties and predict how objects interact within their environment.
581
Piaget's Theory of Cognitive Development from Childhood into Adulthood01:25

Piaget's Theory of Cognitive Development from Childhood into Adulthood

60
Jean Piaget's theory of cognitive development emphasizes the role of thinking in a child's learning process, suggesting that children are naturally curious about their environment. His approach to development is discontinuous, proposing that cognitive abilities progress through distinct stages, each with unique characteristics. Central to Piaget's theory is schemata—mental structures that allow individuals to understand and interpret the world.
Schemata: Building Blocks of...
60
Piaget's Stage 2 of Cognitive Development01:14

Piaget's Stage 2 of Cognitive Development

32
The preoperational stage, the second of Jean Piaget's four stages of cognitive development, spans approximately ages 2 to 7 and is characterized by the emergence of symbolic thinking. During this stage, children use language, images, and symbols to represent objects and concepts, enabling them to engage in imaginative and pretend play. This symbolic thinking supports children's ability to perform make-believe actions, such as imagining a broom as a horse or their hand as a phone,...
32
Role of Shaping in Operant Conditioning01:19

Role of Shaping in Operant Conditioning

245
Shaping is a technique used in operant conditioning to train complex behaviors by rewarding successive approximations toward the target behavior. This method is necessary because organisms are unlikely to perform complex behaviors spontaneously. Instead, shaping breaks down the desired behavior into small, manageable steps.
The steps involved in shaping begin with reinforcing any response that resembles the desired behavior. For example, parents might praise a child for picking up one toy. As...
245
The Nativist Approach01:21

The Nativist Approach

33
The nativist approach to infant cognitive development proposes that infants are born with inherent knowledge structures that allow them to interpret the world almost immediately. This perspective contrasts with earlier developmental theories, such as those proposed by Jean Piaget, which emphasized a more gradual acquisition of cognitive abilities through interaction with the environment. One key concept in this approach is object permanence — the understanding that objects continue to...
33

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相关实验视频

Updated: May 23, 2025

Portable Intermodal Preferential Looking IPL: Investigating Language Comprehension in Typically Developing Toddlers and Young Children with Autism
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在幼儿时期的模式分离和模式完成.

Samantha S Cohen1, Chi T Ngo2, Ingrid R Olson1

  • 1Department of Psychology and Neuroscience, Temple University, Philadelphia, PA 19122.

Proceedings of the National Academy of Sciences of the United States of America
|March 11, 2025
PubMed
概括
此摘要是机器生成的。

4-7岁的儿童显示出改善的模式分离能力,这对于区分类似的记忆至关重要. 然而,在这个年龄组中,将记忆作为一个单元检索的模式完成没有发生变化,与模式分离无关.

关键词:
童年的童年 童年的童年发展发展发展发展发展.在海马体内,海马体记忆 记忆 记忆 记忆 记忆

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科学领域:

  • 认知心理学 认知心理学
  • 神经科学是一个神经科学.
  • 发展心理学 发展心理学

背景情况:

  • 情节性记忆依赖于模式分离 (区分类似经历) 和模式完成 (检索事件模式).
  • 这些记忆过程有时被视为连续,有时被视为独立.
  • 了解它们在发展记忆系统中的关系至关重要.

研究的目的:

  • 研究4-7岁儿童的模式分离和模式完成之间的关系.
  • 为了确定这两个记忆过程是不是一起发展,还是独立发展.
  • 在一般和个人事件层面分析它们之间的关系.

主要方法:

  • 评估记忆力歧视作为模式分离的行为特征.
  • 测量整体回忆作为模式完成的行为特征.
  • 在4至7岁的儿童中检查了这些措施,以记住单个事件的记忆.

主要成果:

  • 在被研究的儿童中,记忆歧视随着年龄的增长而显著改善.
  • 整体回忆在4-7岁的年龄范围内没有显著的变化.
  • 模式分离和模式完成行为被发现是无关的,即使在控制年龄和分析单个事件后.

结论:

  • 模式分离和模式完成代表了幼儿时代不同的发育轨迹.
  • 情节性记忆的这两个基本组成部分似乎在这个发育时期独立运作.
  • 这些发现挑战了那些提出在幼儿模式分离和模式完成之间存在直接连续性的模型.