Figure 3
From: Colour discrimination thresholds in type 1 Bipolar Disorder: a pilot study

Mean colour discrimination ellipses. The data are plotted in the CIE 1976 Colour Space for 12 participants for Ellipse 1 (A), Ellipse 2 (B), and Ellipse 3 (C). Solid lines (for ellipses) represents healthy controls. Dashed lines (for ellipses) represent bipolar disorder patients.