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. 2013 Jan 30;8(1):e55455. doi: 10.1371/journal.pone.0055455

Figure 4. Inter-hemispheric tracking of the connection of the bi-hemispheric representation of number magnitude in intraparietal cortices.

Figure 4

Panel A depicts the transcallosal bundle of fibers directly connecting left and right intraparietal cortices in a 3D volume rendering with PIBI values>0.0148. Panel B gives a detailed view on the course of the fiber tracts in coronal orientation.Abbreviations: IPS = intraparietal sulcus; pIPS = posterior intraparietal sulcus; PSPL = posterior superior parietale lobule.