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. Author manuscript; available in PMC: 2015 Mar 12.
Published in final edited form as: Neural Comput. 2011 Jan 11;23(4):984–1014. doi: 10.1162/NECO_a_00101

Figure 4.

Figure 4

2-D schematic of the three distinct types of 3-D glial configurations (porous, one, and two sheaths) used to characterize diffusion path length and synaptic isolation for a general synapse with 1 μM extracellular concentration, using the same legends as in Figure 1. Glial transporters were randomly distributed in the shaded region. Configurations B and C with different orientation of glial openings on pre- and post synaptic regions represent the one sheath glial cases, and configurations D-G represent two sheath glial cases considered. The diffusion path length increased from configurations A to G, with configuration G as the baseline model.