Fig. 1 Comparison oj,potenltials
recordedfrom vertically placed
(upper tracilig) anid horizomi ally
placed (lower tracing) recording
electrodes. A. Subject altertiately
gazing 200 upwardl and down ward.
B. Subject gazing alterinately 200 to
the left and to the right. C.
Spontaneous eye blinik potentials.
Blink responses appear onily in the
vertically orientated leads anbd
mimic an upward movementt of the
eye.s.