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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Chemosens Percept. 2015 Mar 22;8(1):19–32. doi: 10.1007/s12078-015-9178-7

Figure 4.

Figure 4

Perceptual map with clusters generated by the participants that completed the free sorting task on 11 compounds with nose clips (N=31). A three-dimensional solution was most appropriate (stress = 0.002) for this group. Notation is in the style of the Natta projection: Dimension 3 in the bottom left of the figure with the dotted line represents values farther away from the viewer (negative values on dimension 3) and the bolded line indicating that the plane is closer to the viewer (positive values on dimension 3). The positions of points with respect to dimension 3 are indicated by the size and color of the point. Larger, lighter blue points, (e.g. CINN), are closest to the viewer, while smaller, redder points, (e.g. MEN), are farthest from the viewer.