个人差异阐明了与强大的时间细结构处理相关的感知益处
Agudemu Borjigin1,2, Hari M Bharadwaj1,3,4
1Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA.
bioRxiv : the preprint server for biology
|October 4, 2023
概括
听觉时细结构 (TFS) 灵敏度的个体差异有助于语音感知,特别是在声中. 更高的TFS灵敏度也减少了听力,改善了日常听力.
科学领域:
- 听觉神经科学 听觉神经科学
- 精神声学是一种精神声学.
- 语音感知 语音感知
背景情况:
- 听觉系统精确地跟随声相波动 (时间细结构,TFS).
- 由于实验的局限性,TFS编码的感知相关性仍在争论中.
研究的目的:
- 调查个体差异对TFS敏感性在语音感知中的作用.
- 评估TFS灵敏度和倾听力度之间的关系.
主要方法:
- 在200名参与者中使用间声时间/相差检测评估TFS灵敏度.
- 通过在噪音和反响中识别单词来评估语音感知.
- 测量响应时间以推断听力努力.
主要成果:
- TFS 灵敏度与基本频率或空间线索的掩盖释放没有相关性.
- 较高的TFS灵敏度与在声中改善的语音感知相关.
- 较高的TFS灵敏度与更快的响应时间有关,这表明倾听力减少.
结论:
- TFS编码对于在具有挑战性的声学环境 (如回声) 中理解语音具有感知意义.
- 在TFS敏感度的个体差异影响语音理解和倾听力度.
相关概念视频
Factors Affecting Perception
1.6K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
An illustrative example of a perceptual set is the scenario where an airline pilot told...
1.6K
Parallel Processing
173
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
173
Perception
499
Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
499
Perceptual Constancy
429
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
429
Auditory Perception
357
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...
357
Perceiving Loudness, Pitch, and Location
233
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...
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...
233


