Related Experiment Video
Updated: Jul 11, 2026
06:34
Infant Auditory Processing and Event-related Brain Oscillations
Published on: July 1, 2015
16.4K
Understanding Standard Procedure in Auditory Brainstem Response: Importance of Normative Data
Chanbeom Kwak1, Yuseon Byun1, Sunghwa You1,2
1Research Institute of Hearing Enhancement, Yonsei University Wonju College of Medicine, Wonju, Korea.
Journal of Audiology & Otology
|November 6, 2024
Summary
This study established standard procedures and normative values for the auditory brainstem response (ABR) test. Findings reveal population-specific differences in ABR latency and amplitude, crucial for accurate audiological assessments.
Area of Science:
- Audiology
- Neuroscience
- Biomedical Engineering
Background:
- Auditory Brainstem Response (ABR) is a key noninvasive test for neural activity.
- Racial head shape variations necessitate specific normative data for accurate device calibration.
- International standards highlight the importance of standardized ABR procedures and references.
Purpose of the Study:
- To outline a standardized procedure for Auditory Brainstem Response (ABR) testing.
- To present normative ABR values based on international standards.
- To compare ABR normative values across different populations.
Main Methods:
- Adherence to International Electrotechnical Commission (IEC) standards for procedural uniformity.
- Inclusion of five studies from two countries for comparative analysis.
- Utilizing the National Standard Reference Data Center (NSRDC) dataset as a reference standard.
Main Results:
- Auditory Brainstem Response (ABR) latency patterns varied between Korean and USA populations using click stimuli.
- The USA population exhibited larger ABR amplitudes compared to other analyzed datasets.
- Similar latency patterns were observed for Wave V using tone bursts, with frequency-specific trends noted.
Conclusions:
- Established standard procedures and normative values for Auditory Brainstem Response (ABR).
- Highlighted population-specific variations in ABR metrics, essential for accurate interpretation.
- Provided foundational guidelines for future ABR research despite limited datasets.
Related Concept Videos
01:31Hearing
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.
01:15Data Validation
Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
Key parameters for method validation include:
Key parameters for method validation include:
01:20Parallel Processing
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...
01:23System of Memory
Memory is categorized into three major systems: sensory memory, short-term memory (STM), and long-term memory (LTM). These systems differ in their capacity and the duration for which they can hold information. Sensory memory captures raw sensory input from the environment, holding it for just a few seconds or less. For example, on hearing a brief, loud sound, like a car horn honking, the sound seems to linger in the mind for a moment even after it stops. This is an instance of sensory memory...
01:19Encoding
Information enters the brain through encoding, which is the input of information into the memory system. Once sensory information is received from the environment, the brain labels or codes it. The information is then organized with similar information and connected to existing concepts. Encoding occurs through automatic processing and effortful processing.
Automatic processing involves the encoding of details like time, space, frequency, and the meaning of words, usually done without conscious...
Automatic processing involves the encoding of details like time, space, frequency, and the meaning of words, usually done without conscious...