Table 5.

Summary of synaptic connections in the microcircuit.

Type of connection	Location	No. of synapses	References
Thalamocortical (incoming)	Proximal dendrite	120	Kuroda et al., 1998
Pyramidal (recurrent)	Basal dendrite	24	Thomson and Lamy, 2007; Peters et al., 2008
Autapses in Pyr	Basal dendrite	8	Lubke et al., 1996
Pyr -to-FS	Dendrite	12	Markram et al., 2004; Thomson and Lamy, 2007
Pyr -to-RS	Dendrite	14	Markram et al., 2004
Pyr -to-IS	Dendrite	7	Cauli et al., 1997; Markram et al., 2004
Autapses in FS	Soma	1	Bacci et al., 2003
FS -to-Pyr	Soma	15	Tamás et al., 1997a,b; Markram et al., 2004
RS -to-Pyr	Distal dendrite	12	Tamás et al., 1997a,b; Markram et al., 2004
IS -to-Pyr	Distal dendrite	10	Tamás et al., 1997a,b
IS -to-RS	Dendrite	2	Murayama et al., 2009