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相关概念视频

Visual Agnosia01:12

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...
Prosopagnosia01:24

Prosopagnosia

Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
Language and Cognition01:27

Language and Cognition

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.
Tip-of-the-Tongue Phenomenon01:10

Tip-of-the-Tongue Phenomenon

The tip-of-the-tongue (TOT) phenomenon is a cognitive experience characterized by a temporary inability to retrieve specific information from memory despite having a strong feeling of knowing the information. Although individuals cannot access the target word or detail, they frequently recall related elements, such as its initial letter, syllable count, or context. This partial retrieval often causes frustration, as one might recognize a familiar face or know that a name starts with a specific...
Learning Disabilities01:25

Learning Disabilities

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...

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相关实验视频

Updated: May 13, 2026

Performing Intracochlear Electrocochleography During Cochlear Implantation
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关于在耳植入后难以预测词识别表现的困难

Ryan A Bartholomew, Samantha E Hoffman1, Amy F Juliano2

  • 1Eaton-Peabody Laboratories, Massachusetts Eye & Ear.

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
|April 4, 2024
PubMed
概括

植入前词分数不能可靠地预测成年人的耳植入结果. 年龄和病因是关键预测因素,而神经元存活影响术后的词识别.

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科学领域:

  • 耳鼻喉科 耳鼻喉科 耳鼻喉科
  • 神经科学是一个神经科学.
  • 生物医学工程 生物医学工程

背景情况:

  • 预测语后聋人成年人的耳植入物结果仍然具有挑战性.
  • 目前没有一个模型有效地使用术前数据来预测术后结果.

研究的目的:

  • 评估手术前变量对植入后结果的预测能力.
  • 为了研究植入前词分数和螺旋质神经元 (SGN) 存活率之间的关系.

主要方法:

  • 对228名成年耳植入体患者 (2002-2021) 的分析.
  • 9个手术前变量 (年龄,病因,性别等) 的多变量线性回归. ) 的情况.
  • 使用人类骨组织病理学的结果的解释.

主要成果:

  • 年龄和病因是植入后结果的唯一显著预测因素.
  • 植入前词分数不能可靠地预测结果,与本病理学发现保持一致.
  • 神经元存活率低于40%影响单词分数;20%的存活率支持~50%的单词识别.

结论:

  • 植入前得分和SGN存活率之间的断开解释了无助词得分的预测价值较低.
  • 大多数耳植入体接受者由于剩余的SGN电刺激性而实现了显著的词识别改进.