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相关概念视频

Working Memory01:24

Working Memory

145
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
145
Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

770
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
770
Hearing01:31

Hearing

51.9K
When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
51.9K
Chunking and Rehearsal in Sensory Memory01:22

Chunking and Rehearsal in Sensory Memory

177
Improving short-term memory can be achieved through techniques like chunking and rehearsal. Chunking involves organizing information into larger, more manageable units. This technique is particularly useful for information that exceeds the typical memory span of between five and nine items. For instance, logging into an online account with a password like "ta89vq0179gz" involves grouping letters and numbers into three chunks—ta89, vq01, and 79gz. It makes large amounts of...
177
Language and Cognition01:27

Language and Cognition

336
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
336
Information Processing Approach01:30

Information Processing Approach

31
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
31

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Working Memory Modulates Auditory Perceptual Sensitivity During Speech Planning.

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相关实验视频

Updated: Jun 13, 2025

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
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工作记忆在语言规划过程中调节听觉感知灵敏度.

Yaser Merrikhi, Ayoub Daliri

    bioRxiv : the preprint server for biology
    |June 12, 2025
    PubMed
    概括
    此摘要是机器生成的。

    在工作记忆中保持一个元音可以在语音规划过程中增强听觉感知. 这种工作记忆对语音系统的影响表明,听觉目标表示是在语音生产过程中形成的.

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    相关实验视频

    Last Updated: Jun 13, 2025

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    科学领域:

    • 认知心理学 认知心理学
    • 语音科学是一种语言科学.
    • 神经科学是一个神经科学.

    背景情况:

    • 工作记忆对于语音产生至关重要.
    • 工作记忆对语音系统的确切影响尚未完全理解.
    • 研究这种联系可以揭示语音规划机制.

    研究的目的:

    • 检查工作记忆中保持母音如何影响语音规划期间的感知灵敏度.
    • 为了确定工作记忆是否影响语音变化.
    • 探索感知灵敏度和语音变性之间的关系.

    主要方法:

    • 30名健康的成年人参与了讲话和阅读任务,同时进行工作记忆任务.
    • 参与者制作或默默地阅读单音节单词.
    • 听觉探针刺激呈现在 /ɛ/ 和 /æ/ 元音之间,根据工作记忆元音匹配,试验被分类为一致或不一致.

    主要成果:

    • 在说话期间的一致试验中观察到更高的感知灵敏度,这表明听觉感知存在偏差.
    • 在阅读条件下没有发现显著的感知灵敏度效应.
    • 在一致性试验中,语音变化减少的趋势表明工作记忆调制语音结果.

    结论:

    • 在工作记忆中保持母音塑造了听觉目标表示.
    • 工作记忆影响和调节语音结果.
    • 这项研究为工作记忆在语音系统中的作用提供了新的见解.