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. Author manuscript; available in PMC: 2014 Oct 2.
Published in final edited form as: Adv Neural Inf Process Syst. 2009;2009:1105–1113.

Figure 2.

Figure 2

One example simulation of the 50% perturbation experiment with the EH rule and data-derived network parameters. A) Angular match Rang as a function of learning time. Every 100th time point is plotted. B) PD shifts drawn on the unit sphere (arbitrary units) for non-rotated (black traces) and rotated (light cyan traces) neurons from their initial values (light) to their values after training (dark, these PDs are connected by the shortest path on the unit sphere). The straight line indicates the rotation axis. C) Same as B, but the view was altered such that the rotation axis is directed towards the reader. The PDs of rotated neurons are consistently rotated in order to compensate for the perturbation.