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New developments in the clinical application of evoked potentials
Electroencephalography and Clinical Neurophysiology. Supplement
|January 1, 1978
Summary
Pattern-evoked responses and far-field recordings of auditory and somatosensory evoked potentials offer significant clinical advances. These electrophysiological techniques are valuable for detecting subtle lesions in demyelinating and compressive diseases, especially when symptoms are absent.
Area of Science:
- Neuroscience
- Clinical Electrophysiology
Background:
- Evoked potentials (EPs) are crucial diagnostic tools in neurology.
- Advances in EP recording techniques have enhanced their clinical utility.
Purpose of the Study:
- To highlight the clinical applications of pattern-evoked responses and far-field recordings of auditory and somatosensory evoked potentials.
- To emphasize the value of these electrophysiological methods in diagnosing neurological conditions, particularly demyelinating diseases.
Main Methods:
- Utilizing pattern-evoked response testing for visual pathway assessment.
- Employing far-field recording techniques for short-latency auditory and somatosensory evoked potentials.
Main Results:
- Pattern-evoked responses demonstrate high sensitivity in detecting minimal visual pathway lesions.
- Short-latency auditory and somatosensory evoked potentials show a high incidence of abnormalities in demyelinating diseases.
- These EP techniques provide information inaccessible to conventional methods like audiometry and perimetry.
Conclusions:
- Pattern-evoked responses are valuable for diagnosing demyelinating diseases and early compressive lesions.
- Auditory and somatosensory evoked potentials are sensitive indicators in demyelinating conditions.
- Evoked potentials offer complementary diagnostic information for clinically silent or inconspicuous neurological lesions.