长时间潜伏的皮质听觉唤起潜力和的严重程度之间的关系在的学龄儿童中
Engy Samy Elhakeem1, Rania Mohamed Abdou Mohamed Mustafa1, Mohamed Aziz Mohamed Talaat2
1Unit of Phoniatrics Otorhinolaryngology Department, Faculty of Medicine, Alexandria University, Egypt.
International journal of pediatric otorhinolaryngology
|October 24, 2023
概括
这项研究没有发现自语 (CWS) 的儿童有显著的听觉处理差异,但揭示了N1延迟和自语症状严重程度之间的相关性. 需要进一步的研究来证实这些发育性口吃的发现.
科学领域:
- 神经科学是一个神经科学.
- 语音和听力科学 语言和听力科学
背景情况:
- 听觉处理和反障碍与发育性口吃有关.
- 长延迟皮质听觉唤起潜能 (LLCAEPs) 提供了一种研究这些听觉障碍的方法.
- 以前的研究表明,在口吃群体中,LLCAEPs存在差异,但缺乏强有力的证据.
研究的目的:
- 为了确定口 (CWS) 和非口儿童之间的LLCAEP的P1-N1-P2组件在统计学上显著的差异.
- 探索LLCAEP与的严重程度的客观测量之间的关系.
主要方法:
- 一项涉及40名6-12岁儿童的病例控制研究 (20名CWS,20名对照).
- 在两组中评估P1-N1-P2对非语言刺激的反应.
- 使用客观的定量措施 (重复,延长,阻塞) 评估口吃的严重程度.
主要成果:
- 在CWS和对照组之间,P1-N1反应是可比的.
- 在CWS中,P2反应较短,但这种差异在统计学上并不显著.
- N1延迟与重复,延长和阻塞的百分比具有统计学意义的相关性.
- 与男性CWS相比,女性CWS的N1延迟略有降低,尽管在统计学上并不显著.
结论:
- 该研究没有发现CWS对非语言刺激的P1-N1-P2反应的统计学上显著差异,这表明基本的听觉处理可能是完整的.
- 在CWS中,N1延迟和重复症状的比例之间发现了显著的相关性.
- 这些发现有助于理解发育性口吃的神经生理基础.
相关概念视频
Hearing
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.
The Cochlea
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
Auditory Pathway
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking the...
Auditory Perception
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the cochlea, a...
Perceiving Loudness, Pitch, and Location
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by identifying...
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by identifying...
Language Development
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...
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...


