一个多式神经成像数据集用于调查语音感知正常化
Shun Liu1,2,3, Suiping Wang4
1Philosophy and Social Science Laboratory of Reading and Development in Children and Adolescents, South China Normal University, Guangzhou, Guangdong, China. liushun33@gmail.com.
Scientific data
|December 3, 2025
概括
语音感知涉及到声音和意义之间的复杂相互作用. 这项研究提供了一个独特的神经成像数据集,以探索大脑如何将分段和超分段语音特征一起处理.
科学领域:
- 神经科学是一个神经科学.
- 语音感知 语音感知
- 语言学的语言学.
背景情况:
- 语音感知面临挑战,因为声信号和语言解释之间缺乏一对一的映射.
- 内在规范化,即声学线索相互影响对方的分类,是解决这种模两可的关键机制.
- 分段 (辅音,元音) 和超分段 (音调) 特性之间的时间重叠在语音处理中产生复杂的相互作用.
研究的目的:
- 解决语音感知中的细分-超细分相互作用的未被探索的神经基础.
- 介绍一个新的,集成的多式联络神经成像数据集,专门设计用于研究语音正常化.
- 为了研究不同语音特征集成的基础的神经表征和连接.
主要方法:
- 获取多式神经成像数据:结构性MRI (sMRI),静止状态fMRI (rs-fMRI),基于任务的fMRI和扩散MRI (dMRI).
- 收集了28名参与者的行为数据 (14名女性,平均年龄为20.79 ± 1.52岁).
- 参与者完成了两个替代性的强制选择分类任务,包括辅音音调和母音音调连续.
主要成果:
- 该数据集捕捉了神经和行为响应在处理交互的细分和超细分语音特征.
- 它允许检查功能连接和白质途径,参与语音正常化.
- 为研究大脑如何在不同语言水平上整合声学信息提供了一个资源.
结论:
- 这一多式联络数据集为研究语音正常化的神经机制提供了一个独特的资源.
- 它有助于探索大脑如何在感知过程中整合细分和超细分信息.
- 能够更深入地了解解决声语言映射模两可的神经相关性.
相关概念视频
01:01Perception of Sound Waves
The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same frequency...
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same frequency...
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...