Computer automated measurement of eye movement parameters with applications to electro-oculography and nystagmus movements
✍ Scribed by A Troelstra; C.A Garcia
- Book ID
- 103050803
- Publisher
- Elsevier Science
- Year
- 1974
- Weight
- 468 KB
- Volume
- 3
- Category
- Article
- ISSN
- 0010-468X
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✦ Synopsis
A computer program has been developed to evaluate certain signal parameters in eye movement patterns. The program will detect zero-crossings in a predetermined direction (event), disregard erroneous zero-crossings caused, for example, by short duration blinks, and provide a number of pre-and post-event samples of the signal. The samples can be used to determine electro-oculogram amplitudes and changes in these amplitudes over prolonged periods of time in cases of clinical interest, or the slope of the slow phase and amplitude of the fast phase in nystagmus eye movement. The use of the program is not restricted to eye movement signals, but it can be used whenever a signal parameter (amplitude, slope, time between zero-crossings, etc.) has a specific time relationship to the zero-crossings of that signal.