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. 2010 Feb 17;30(7):2700–2709. doi: 10.1523/JNEUROSCI.5011-09.2010

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Copyright © 2010 the authors 0270-6474/10/302700-10$15.00/0

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Figure 7. — Summary of microstimulation effects on correct performance rates. A, Correlation between Δ correct performance rates and reaction time indices on contralateral antisaccade trials. B, Contralateral prosaccade trials. C, Ipsilateral antisaccade trials. D, Ipsilateral prosaccade trials. The number of data points in all panels is 179 (85 and 94 in monkeys O and E, respectively). Positive and negative values of Δ correct performance rates indicate worsened and improved performance by microstimulation, respectively. Positive correlation between Δ correct performance rates and reaction time indices indicates that correct performance rates were worsened when microstimulation prolonged saccade reaction times. We found the same positive correlations using Spearman's (nonparametric) correlation coefficients (data not shown). We confirmed similar results when data from two monkeys were analyzed separately.