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Related Experiment Videos

Facts and artifacts in brain electrical activity mapping.

K L Coburn1, M A Moreno

  • 1Department of Psychiatry, Southern Illinois University School of Medicine.

Brain Topography
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Computerized EEG analysis is powerful but abstract representations can hide artifacts. This study identifies common artifacts, illustrates their impact on data, and suggests solutions for accurate computerized EEG results.

Area of Science:

  • Neuroscience
  • Biomedical Engineering

Background:

  • Computerized EEG (CEEG) analysis offers advanced data representation.
  • Increasingly abstract CEEG displays can obscure data artifacts.
  • Artifacts can significantly distort CEEG analysis outcomes.

Purpose of the Study:

  • To identify common artifacts in CEEG data.
  • To illustrate how these artifacts distort CEEG results.
  • To propose methods for artifact remediation.

Main Methods:

  • Discussion of common CEEG artifacts.
  • Illustration of artifactual distortion on CEEG data.
  • Suggestion of remedial measures for artifact removal.

Main Results:

Related Experiment Videos

  • Several common artifacts are identified, including EOG, EMG, photomyoclonic, tremor, ECG, 60 Hz, and volume-conducted cortical activity.
  • Both traditional EEG artifacts (aliasing, extrapolation) and CEEG-unique artifacts are discussed.
  • The potential for inadvertent artifact introduction by untrained personnel is highlighted.

    • Conclusions:

    • Awareness and identification of artifacts are crucial for accurate CEEG analysis.
    • Remedial measures are necessary to prevent data distortion.
    • Training in CEEG methods is essential to minimize artifact introduction.