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. Author manuscript; available in PMC: 2014 Feb 26.
Published in final edited form as: J Comp Neurol. 2010 Jun 15;518(12):2382–2404. doi: 10.1002/cne.22339

Figure 2.

Figure 2

Diagram illustrates method used to calculate PSD curvature. The radius of curvature (R) of the postsynaptic thickening is determined by using the chord perpendicular (a) and chord length (b).