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Related Experiment Video

Updated: May 11, 2026

Recording Brain Activity with Ear-Electroencephalography
09:58

Recording Brain Activity with Ear-Electroencephalography

Published on: March 31, 2023

A study of evoked potentials from ear-EEG.

Preben Kidmose, David Looney, Michael Ungstrup

    IEEE Transactions on Bio-Medical Engineering
    |June 1, 2013
    PubMed
    Summary

    In-ear electroencephalogram (ear-EEG) offers brain monitoring comparable to traditional on-scalp EEG. This study validates ear-EEG for auditory and visual evoked responses, showing similar signal quality to temporal EEG.

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    Area of Science:

    • Neuroscience
    • Biomedical Engineering
    • Signal Processing

    Background:

    • Electroencephalogram (EEG) is a key tool for brain monitoring.
    • In-ear EEG (ear-EEG) presents a novel, potentially more accessible method for EEG acquisition.
    • Further characterization and comparison of ear-EEG with conventional methods are necessary.

    Purpose of the Study:

    • To rigorously compare the performance of ear-EEG against traditional on-scalp EEG.
    • To evaluate ear-EEG for both auditory and visual evoked responses.
    • To assess signal quality using signal-to-noise ratio and statistical significance.

    Main Methods:

    • Recorded ear-EEG and on-scalp EEG simultaneously from subjects.
    • Utilized steady-state and transient paradigms for auditory and visual stimuli.

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    A Method for Tracking the Time Evolution of Steady-State Evoked Potentials
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    A Method for Tracking the Time Evolution of Steady-State Evoked Potentials

    Published on: May 25, 2019

    Related Experiment Videos

    Last Updated: May 11, 2026

    Recording Brain Activity with Ear-Electroencephalography
    09:58

    Recording Brain Activity with Ear-Electroencephalography

    Published on: March 31, 2023

    A Method for Tracking the Time Evolution of Steady-State Evoked Potentials
    12:03

    A Method for Tracking the Time Evolution of Steady-State Evoked Potentials

    Published on: May 25, 2019

  • Analyzed signal-to-noise ratio (SNR) for steady-state responses.
  • Qualitatively assessed event-related potential (ERP) waveforms for transient responses.

    • Main Results:

    • Ear-EEG demonstrated signal-to-noise ratios comparable to conventional EEG.
    • Performance of ear-EEG was on par with EEG recorded from the temporal region.
    • Both auditory and visual evoked responses were successfully captured using ear-EEG.

    Conclusions:

    • In-ear EEG is a viable method for brain monitoring.
    • Ear-EEG provides signal quality comparable to temporal on-scalp EEG.
    • This validates ear-EEG as a promising alternative for EEG acquisition.