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相关概念视频

Learning Disabilities01:25

Learning Disabilities

98
Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
Dyslexia
Dyslexia is a...
98
Language and Cognition01:27

Language and Cognition

342
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.
342
Information Processing Approach01:30

Information Processing Approach

33
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...
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Attention-Deficit/Hyperactivity Disorder01:30

Attention-Deficit/Hyperactivity Disorder

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Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
55
Lateralization01:28

Lateralization

326
Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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相关实验视频

Updated: Jun 24, 2025

Assessing Dyslexia at Six Year of Age
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在患有发育性阅读障碍的儿童中,在多个任务中共享和特定任务的大脑功能差异.

Anqi Wang1, Xiaohui Yan2, Guoyan Feng3

  • 1Department of Psychology, Sun Yat-Sen University, China.

Neuropsychologia
|June 7, 2024
PubMed
概括
此摘要是机器生成的。

这项研究揭示了发育性阅读障碍症 (DD) 的儿童在和拼写任务期间明显的脑活动模式. 研究结果指出了与DD中的语音和视觉处理相关的特定神经差异.

关键词:
阅读障碍症 阅读障碍症是指阅读障碍.拼写缺陷 拼写缺陷语音学赤字 语音学赤字 语音学赤字任务 任务 任务 任务功能磁力共振成像 (fMRI) 是一种

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Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
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科学领域:

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

背景情况:

  • 发育性阅读障碍 (DD) 研究经常使用多样化的任务,导致神经差异不一致的发现.
  • 需要对多项任务进行系统的比较,以确定与特定DD相关的功能缺陷相关的大脑区域.

研究的目的:

  • 通过听觉,视觉和视觉拼写任务,研究DD的中国儿童的共享和特定任务的神经差异.
  • 在DD中区分参与声学分析,视觉正义处理和一般词汇处理的大脑区域.

主要方法:

  • 雇佣了三个不同的任务:听觉,视觉和视觉拼写.
  • 在这些任务中使用神经成像技术分析了DD的中国儿童的神经功能差异.

主要成果:

  • 在写的任务中,左下额头 (IFG) 部的激活减少,表明语音分析受损.
  • 在视觉任务期间,右舌头/下椎的功能差异,暗示视觉正写处理缺陷.
  • 在所有任务中,左背IFG持续减少激活,右前中心回形激活增加,突出DD的一般神经特征.

结论:

  • 在DD中成功区分了与正写,语音和一般词汇处理相关的大脑区域.
  • 对中国儿童发育性阅读障碍背后的神经机制的高级理解.
  • 为DD的神经基础提供了特定任务的见解,超越了一般的发现.