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Article
December 1966

Language of Nystagmography

Author Affiliations

NEW ORLEANS
From the Department of Otolaryngology, Tulane University School of Medicine, New Orleans.

Arch Otolaryngol. 1966;84(6):634-637. doi:10.1001/archotol.1966.00760030636008
Abstract

MY RESPONSIBILITY in this symposium is to provide each of you with the necessary language for basic communication regarding the technique of nystagmography. This glossary of terminology will of necessity be simple and by no means exhaustive. For the sake of simplicity, brevity, and ease of understanding I will define the terms I use in the following three major categories: (1) nystagmus; (2) nystagmography; and (3) the nystagmogram.

The terms to be defined are the following:

  1. Nystagmus

    1. Components

      1. (1) Slow

      2. (2) Fast

    2. Direction

      1. (1) Horizontal

      2. (2) Vertical

      3. (3) Oblique or Rotatory

    3. Intensity or Degree (Alexander's Classification)

      1. (1) First Degree

      2. (2) Second Degree

      3. (3) Third Degree

    4. Types

      1. (1) Optokinetic

      2. (2) Vestibular

      3. (3) Ocular

    5. Noninduced

      1. (1) Spontaneous

      2. (2) Positional

        • (a) Nylen's Classification

          • (i) Nylen I

          • (ii) Nylen II

        • (b) Cawthorne's Classification

          • (i) Fatigable

          • (ii) Constant

    6. Induced

      1. (1) Galvanic

      2. (2) Rotational

      3. (3) Mechanical

      4. (4) Caloric

2.

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