Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

Nathalie L. Maitre; Alexandra P. Key

doi:10.3791/51054

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

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Behavior

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JoVE Journal Behavior

Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

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09:38 min

January 29, 2014

DOI: 10.3791/51054-v

Nathalie L. Maitre¹, Alexandra P. Key^2,3

¹Department of Pediatrics, Monroe Carell Jr. Children's Hospital at Vanderbilt,Vanderbilt University, ²Vanderbilt Kennedy Center,Vanderbilt University, ³Department of Hearing and Speech Sciences,Vanderbilt University

Overview

This study presents a novel methodology for measuring somatosensory processing in young children, focusing on light touch and speech sounds. The approach allows for quantitative assessment without requiring active participation from the subjects, making it suitable for vulnerable pediatric patients.

Key Study Components

Area of Science

Neuroscience
Electrophysiology
Pediatric research

Background

Measuring sensory processing in nonverbal or vulnerable patients is challenging.
Existing methods often require active participation, which can be difficult for young children.
There is a need for non-invasive techniques to assess cortical processing in pediatric populations.
This study aims to address these challenges by developing a new methodology.

Purpose of Study

To quantitatively assess cortical processing of light touch and speech sounds in infants and children.
To provide a method that does not cause discomfort to vulnerable patients.
To enhance understanding of multisensory processing in young children.

Methods Used

Event-related potential methodology was established.
A tactile delivery system was set up to present stimuli.
An EEG net was placed on the child to measure neural activation.
A stimulus control application was utilized to run UFF versus sham paradigms.

Main Results

Data from event-related potential trials were processed to assess neural responses.
Comparisons were made between responses to real tactile stimuli and sham stimuli.
Cortical activation in response to light touch was successfully demonstrated.
The methodology proved effective for assessing sensory processing in young children.

Conclusions

The developed methodology allows for objective measurement of sensory processing in pediatric patients.
This approach can facilitate research on multisensory integration in young children.
Future studies may expand on this method to explore other sensory modalities.

Frequently Asked Questions

What is the main goal of this study?

The main goal is to measure somatosensory processing of light touch in young children without requiring active participation.

How does the methodology work?

It involves setting up event-related potential methodology, using a tactile delivery system, and placing an EEG net on the child.

What stimuli are used in the study?

The study assesses responses to light touch and speech sounds.

Is the method non-invasive?

Yes, the methodology is designed to be non-invasive and comfortable for vulnerable pediatric patients.

What are the implications of this research?

The research may enhance understanding of sensory processing and multisensory integration in young children.

Objective and easy measurement of sensory processing is extremely difficult in nonverbal or vulnerable pediatric patients. We developed a new methodology to quantitatively assess infants and children's cortical processing of light touch, speech sounds, and the multisensory processing of the 2 stimuli, without requiring active subject participation or causing discomfort in vulnerable patients.

The overall goal of this procedure is to measure somatosensory processing of light touch in young children. This is accomplished by first setting up event related potential methodology and an a tactile delivery system. The second step is to place an EEG net onto the child in order to measure neural activation in the brain.

Next, the stimulus control application programmed with an UFF versus sham paradigm is run. The final step is to process the data acquired from the event related potential trials. Ultimately, by comparing the response to real tactile stimuli and to the sham, one can show cortical activation in response to light touch.

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