The Journal of Neuroscience, December 13, 2006, ():
Facilitation of Saccadic Eye Movements by Postsaccadic Electrical Stimulation in the Primate Caudate
J. Neurosci. Nakamura and Hikosaka
26: 12885
Supplemental Data
Files in this Data Supplement:
- supplemental material -
Supplementary Table
Number (percentage) of experiments that showed significant change in the reaction times (p<0.05, Mann -Whitney U test) for post-saccadic stimulation experiments. The data shown in the Table 1 are here shown separately for 50% and 100% stimulation schedules.
- supplemental material
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Supplementary Fig 1. Visually guided saccade task with position-dependent reward difference. The white arrows indicate the direction of the gaze. (A) After 1200 ms of fixation on the central fixation point, the target came on either on the left or right and the monkey had to make a saccade to the target. In Left-large condition, left saccades were followed by large reward while right saccades were followed by small reward; in Right-large condition, the position-reward contingency was reversed. (B) Left-large and Right-large conditions were alternated every 20-28 trials as blocks. The location of the target was determined pseudo-randomly. (C) Trial-by-trial changes in reaction times. Reaction times are normalized as (reaction time on that trial – the median of reaction times on the large reward trials in the given experiment)/ (the median of reaction times on the small reward trials in the given experiment – the median of reaction times on the large reward trials in the given experiment). Normalized reaction times averaged across all 428 caudate neuron recording experiments are plotted against the number of trials before and after the time when the block (position-reward contingency) was changed. Left, the transition from large to small; right, from small to large reward trials. Standard errors are small and not visible in this figure.
