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相关概念视频

Implicit Memories01:24

Implicit Memories

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Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
One key aspect of implicit...
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Storage01:23

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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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Understanding Memory01:19

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Memory is the retention of information or experiences over time, facilitated through three main processes: encoding, storage, and retrieval. Encoding is the process of inputting information into the memory system. For instance, when listening to a lecture, watching a play, reading a book, or having a conversation, the brain is actively encoding information. This initial stage involves transforming sensory input into a form that can be processed and stored by the brain. Various factors, such as...
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Higher Mental Functions of Brain: Learning and Memory01:26

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Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or...
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Long-Term Memory01:18

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Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
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Memory is categorized into three major systems: sensory memory, short-term memory (STM), and long-term memory (LTM). These systems differ in their capacity and the duration for which they can hold information. Sensory memory captures raw sensory input from the environment, holding it for just a few seconds or less. For example, on hearing a brief, loud sound, like a car horn honking, the sound seems to linger in the mind for a moment even after it stops. This is an instance of sensory memory...
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Gradient Echo Quantum Memory in Warm Atomic Vapor
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在低摩擦颗粒状材料中的多维内存.

Chloe W Lindeman1

  • 1Department of Physics and The James Franck and Enrico Fermi Institutes, The University of Chicago, Chicago, IL 60637, USA. cwlindeman@jhu.edu.

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概括
此摘要是机器生成的。

颗粒状材料表现出回应多维训练的记忆. 应用剪切变形的顺序显著影响记忆回忆,这表明这些复杂系统中的路径依赖记忆.

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科学领域:

  • 物理 物理学 物理
  • 材料科学 材料科学 材料科学
  • 软物质物理学 软物质物理学

背景情况:

  • 颗粒状材料在变形时表现出复杂的行为.
  • 了解这些系统中的记忆对于预测它们对外部刺激的反应至关重要.
  • 之前的研究集中在单轴记忆上,限制了对多维反应的理解.

研究的目的:

  • 在多维剪切训练下,研究二维颗粒包装中的记忆形成和回忆.
  • 探索应用剪切的顺序和类型如何影响材料的记忆.
  • 在简单的振幅回忆之外的颗粒系统中描述记忆的性质.

主要方法:

  • 对受控剪切周期的水凝球包装进行实验测量.
  • 训练包装具有单一或组合类型的剪切变形.
  • 阅读协议通过应激应变反应的尖端识别记忆.

主要成果:

  • 记忆回忆对应用的剪切变形的类型和顺序敏感.
  • 观察到的记忆是路径依赖的,不仅仅由应变幅度决定.
  • 读取过程的非阿贝尔性质揭示了复杂的记忆特征.

结论:

  • 颗粒状材料可以"学习"复杂的变形路径,而不仅仅是振幅.
  • 记忆的分类应该考虑训练的顺序性和非阿贝尔属性.
  • 这项工作为无序和软材料中的记忆提供了新的视角.