评估听觉感知能力使用时包和精细结构处理在患有自限性的儿童与中心时尖峰的听觉感知能力
Anuprasad Sreenivasan1, Rajalakshmi Krishna2, Pradeep Pankajakshan Nair3
1Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Department of ENT, Puducherry, India.
Epilepsy research
|August 17, 2023
概括
患有自限性与中尖峰 (SeLECTS) 的儿童表现出受损的听觉处理. 这些孩子在时间包裹和精细结构方面扎,这对于理解语言至关重要.
科学领域:
- 神经科学是一个神经科学.
- 听力学 听力学是指听力学.
- 儿科神经学 儿科神经学
背景情况:
- 患有有中尖 (SeLECTS) 的自我限制性的儿童经常在处理口语时遇到困难,即使没有听力损失.
- 听觉处理依赖于时间和细结构感知,这对语音理解至关重要.
- 有限的研究存在于这些特定的听觉处理技能在儿童与SELECTS.
研究的目的:
- 评估被诊断患有SELECTS的儿童的时间和细结构处理能力.
- 将SELECTS儿童的听觉处理技能与典型发育儿童 (TDC) 的听觉处理技能进行比较.
主要方法:
- 这项研究涉及35名接受SELECTS的儿童和50名TDC的儿童.
- 在各种调制速率 (4-128 Hz) 中,使用时间调制转移函数 (TMTF) 评估了时间包处理.
- 在250,500和750Hz时使用时间细结构低频 (TFS LF) 测试来评估时间细结构处理.
主要成果:
- 在大多数TMTF调制频率 (p <0.05) 中,在SELECTS和TDC之间发现了调制检测值的显著差异.
- 与TDC相比,接受SELECTS的儿童在250,500和750Hz的时间细结构处理中表现出更高 (更差) 的值 (p < 0.05).
- 在TMTF的4 Hz调制速率上没有观察到显著差异.
结论:
- TMTF和TFS LF测试是评估SELECTS儿童的听觉处理的有效工具.
- 与典型发育的儿童相比,有SELECTS的儿童在时间和细结构处理方面都表现出缺陷.
相关概念视频
01:17Auditory 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...
01:21Perceiving 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...