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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Curr Opin Neurobiol. 2009 Aug 10;19(4):415–421. doi: 10.1016/j.conb.2009.07.011

Figure 1.

Figure 1

Inhibitory interneurons of the neocortex show cell-type specific patterns of GABAergic and electrical connections. Low threshold spiking (LTS; orange) cells form GABAergic connections with neighboring fast spiking (FS; blue) and pyramidal neurons (gray), but only rarely synapse onto other LTS cells. FS cells, in contrast, form GABAergic connections with neighboring FS cells as well as with LTS cells and pyramids. LTS are highly interconnected via electrical connections as are FS (blue) cells, but each cell type rarely forms gap junctions with other classes of inhibitory neuron.