Figure 1From: Learning in a simple biological system: a pilot study of classical conditioning of human macrophages in vitroIL-6 secretion at evocation. IL-6 was measured in culture media after 90 min exposure to CS or control. In the lower part of the figure, the basic design of the experiment is displayed. Boxes show 25th and 75th percentiles, white lines show medians, whiskers show upper and lower adjacent values, and dots show outside values.Back to article page