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Related Experiment Video

Updated: Jun 26, 2026

Visual Evoked Potential Recordings in Mice Using a Dry Non-invasive Multi-channel Scalp EEG Sensor
06:19

Visual Evoked Potential Recordings in Mice Using a Dry Non-invasive Multi-channel Scalp EEG Sensor

Published on: January 12, 2018

Averaged evoked potentials and frequency modulation

M Kohn, K Lifshitz, D Litchfield

    Electroencephalography and Clinical Neurophysiology
    |August 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

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    Frequency modulated (FM) auditory stimuli elicit auditory evoked potentials (AEPs) similar to standard tones. Ramp modulation affects AEP amplitude based on slope and preceding tone, indicating sensory processing complexity.

    Area of Science:

    • Auditory Neuroscience
    • Neurophysiology
    • Signal Processing

    Background:

    • Auditory evoked potentials (AEPs) are standard measures of auditory system function.
    • Frequency modulated (FM) stimuli present unique challenges for auditory processing.

    Purpose of the Study:

    • To investigate the characteristics of AEPs elicited by various frequency modulated (FM) auditory stimuli.
    • To explore the relationship between stimulus parameters and AEP amplitude and latency.

    Main Methods:

    • Recording of average vertex potentials in response to FM auditory stimuli.
    • Analysis of AEPs under conditions of stepwise frequency changes, pulsed modulation, and ramp modulation.
    • Correlation of AEP amplitude with stimulus slope, preceding tone frequency, and reaction time variability.

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    Last Updated: Jun 26, 2026

    Visual Evoked Potential Recordings in Mice Using a Dry Non-invasive Multi-channel Scalp EEG Sensor
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    Published on: January 12, 2018

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    Published on: May 25, 2019

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    Published on: September 7, 2022

    Main Results:

    • FM stimuli generated AEPs comparable to standard auditory stimuli.
    • Pulsed FM stimuli evoked 'on' and 'off' responses based on frequency transition direction.
    • Ramp modulation amplitude correlated with ramp slope and preceding tone frequency; AEPs were attenuated or extinguished with specific ramp configurations.
    • AEP amplitude showed an inverse relationship with the standard deviation of reaction time distributions, suggesting a role for stimulus uncertainty.

    Conclusions:

    • AEPs can be reliably elicited by FM auditory stimuli, with distinct responses observed for pulsed and ramp modulations.
    • Stimulus uncertainty, reflected in reaction time variability, significantly impacts AEP amplitude, indicating sensory processing limitations.
    • Psychological factors may contribute to differences in AEPs elicited by positive versus negative ramps.