Effects of experimental scotomata on sequential pattern-onset, pattern-reversal and pattern-offset visual evoked potentials
β Scribed by Fatima S. Shawkat; Anthony Kriss
- Book ID
- 110565069
- Publisher
- Springer-Verlag
- Year
- 1997
- Tongue
- English
- Weight
- 719 KB
- Volume
- 94
- Category
- Article
- ISSN
- 0012-4486
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Visual evoked potentials were recorded monopolarly from seven electrodes on a horizontal line from T3 to T4 and bipolarly in one channel from left of the midline to right of the midline. Stimulation of the right and left half-fields was performed with a checkerboard generator of 10 degrees x 13.5 de
Further experiments in healthy subjects have confirmed the characteristic but variable differential effect of experimental scotomata on the pattern evoked potentials. While the waveform changes associated with different pathological scotomata also showed considerable variability, certain features co