Related Experiment Video
Updated: Dec 23, 2025
09:38
Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
Published on: January 29, 2014
11.2K
Auditory Processing of Speech and Tones in Children With Tuberous Sclerosis Complex
Amanda M O'Brien1, Laurie Bayet2, Katherine Riley3
1Program in Speech and Hearing Bioscience and Technology, Division of Medical Sciences, Harvard University, Cambridge, MA, United States.
Frontiers in Integrative Neuroscience
|April 25, 2020
Summary
Children with Tuberous Sclerosis Complex (TSC) show distinct auditory processing differences compared to typically developing children, particularly in their brain
Area of Science:
- Neuroscience
- Developmental Neuroscience
- Auditory Neuroscience
Background:
- Tuberous Sclerosis Complex (TSC) is associated with atypical white matter integrity and neural connectivity, impacting brain language pathways.
- Understanding auditory and language processing in children with TSC is crucial for identifying developmental differences.
Purpose of the Study:
- To investigate functional brain activity related to auditory processing of speech and non-speech sounds in children with TSC.
- To compare auditory evoked potentials (AEPs) and mismatch negativity (MMN) between children with TSC and typically developing (TD) children.
Main Methods:
- Electroencephalography (EEG) was used to record brain activity in children with TSC and TD controls during an auditory MMN paradigm.
- Stimuli included speech (vowels) and non-speech (tones).
- Multivariate pattern analysis (MVPA) and analysis of AEP components (P1, N2, N4) were employed.
Main Results:
- The TD group, but not the TSC group, could differentiate between speech and tones using MVPA.
- TD children showed enhanced P1 amplitude and N2 amplitude for vowels compared to tones; TSC children did not.
- TSC children exhibited longer N4 latency for vowels versus tones, unlike TD children. MMN responses showed no group differences.
Conclusions:
- Children with TSC exhibit altered neural responses to speech sounds compared to acoustically matched tones.
- Specific AEP components (P1, N2, N4) differentiate auditory processing in children with TSC from TD children.
- These findings highlight unique auditory processing characteristics in TSC that warrant further investigation.
Related Concept Videos
01:31Hearing
56.2K
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.
56.2K
01:19Autism Spectrum Disorder
818
Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
818
01:15Auditory Pathway
6.9K
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...
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
6.9K
01:13The Cochlea
49.9K
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.
49.9K