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Author: Admin | 2025-04-28
After the ingestion of either a placebo or a 100-mg dose of Viagra (see key). The mean placebo cff values are indicated by the continuous black lines, and the mean Viagra values, which include both the 60- and the 120-min post-Viagra measurements, are indicated by the continuous red lines. Figure 3S-cone modulation threshold control and drug data for L.T.S. (left panels), G.J. (central panels), and A.S. (right panels), measured at 440-nm target radiances of 7.54 (upper panels), 8.82 (middle panels), and 9.75 (lower panels) log quanta·s−1·deg−2. The larger panels show the S-cone modulation thresholds. The smaller panels highlight the changes in threshold for each subject relative to the subject's mean pre-Viagra data (black continuous lines). The red lines indicate the mean losses averaged over time from 20 to 300 min after Viagra ingestion. The error bars are ±1 SE in the larger panels and ±2 SE in the smaller panels. Other details are as described in Figure 1.Figure 3S-cone modulation threshold control and drug data for L.T.S. (left panels), G.J. (central panels), and A.S. (right panels), measured at 440-nm target radiances of 7.54 (upper panels), 8.82 (middle panels), and 9.75 (lower panels) log quanta·s−1·deg−2. The larger panels show the S-cone modulation thresholds. The smaller panels highlight the changes in threshold for each subject relative to the subject's mean pre-Viagra data (black continuous lines). The red lines indicate the mean losses averaged over time from 20 to 300 min after Viagra ingestion. The error bars are ±1 SE in the larger panels and ±2 SE in the smaller panels. Other details are as described in Figure 1. Figure 4L-cone cff control and drug data for G.J. (upper left panels), L.T.S. (lower left), A.S. (upper right), and A.T. (lower right). The larger panels show the L-cone cff data. The smaller panels highlight the losses in cff for each subject relative to their mean pre- and post-Viagra data (black continuous line). The error bars are ±1 SE in the larger panels and ±2 SE in the smaller panels. Other details are as described in Figure 1. G.J. did not make the post-Viagra measurements.Figure 4L-cone cff control and drug data for G.J. (upper left panels), L.T.S. (lower left), A.S. (upper right), and A.T. (lower right). The larger panels show the L-cone cff data. The smaller panels highlight the losses in cff for each subject relative to their mean pre- and post-Viagra data (black continuous line). The error bars are ±1 SE in the larger panels and ±2 SE in the smaller panels. Other details are as described in Figure 1. G.J. did not make the post-Viagra measurements. Figure 5L-cone modulation threshold control and drug data for L.T.S. (left panels) and G.J. (right panels), measured at 650-nm target radiances of 7.56 (upper panels) and 9.52 (lower panels) log quanta·s−1·deg−2. The larger panels show the L-cone modulation thresholds. The hexagons indicate the measurements that were made following ingestion of Dose 5 of Viagra. Dotted symbols have been included where necessary to distinguish between two runs made
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