Source google image: https://www.researchgate.net/profile/Donald_Faber/publication/21425502/figure/fig1/AS:340736097701893@1458249224584/Isolation-of-LTP-to-the-inhibitory-synapse-Plot-of-fractional-conductance-r-versus.png
R=6 isolation
Source google image: https://www.researchgate.net/profile/Donald_Faber/publication/21425502/figure/fig1/AS:340736097701893@1458249224584/Isolation-of-LTP-to-the-inhibitory-synapse-Plot-of-fractional-conductance-r-versus.png