Figure 3

Latency effects. Electrical stimulation shortened saccadic reaction times for ipsiversive saccades and prolonged reaction times for contraversive saccades relative to randomly interleaved control trials without stimulation. Box and whisker plots of saccadic latencies for ipsi- and contraversive saccades from trials pooled for both animals (top) and for each individual animal (bottom). During stimulation with 250 μA (b), stimulation significantly shortened ipsiversive saccade latencies and prolonged contraversive latencies. During stimulation with a current of 100 μA (a) only the effect on ipsiversive saccades was significant. Stars represent p-values of two-sample t-tests between groups, with * for p < 0.001, ** for p < 1e-6 and *** for p < 1e-12.