tip: Click on a box to focus on a circuit layer. Click on a connection to focus on a pathway.

Microcircuit fact sheet

Microcircuit volume?
0.29 mm³
No. of neurons?
31,346 neurons
No. of layers?
6
No. of morphological types?
55
No. of neurons per layer?
L1
338 neurons
L23
7,524 neurons
L4
4,656 neurons
L5
6,114 neurons
L6
12,651 neurons
No. of morphoelectrical types?
207
No. of electrical types?
11
No. of unique types of synaptic connections between m-types?
1,941 connection types
No. of unique types of synaptic connections between me-types?
27,625 connection types
No. of s-types?
6 types
No. of intrinsic connections?
~8.1 million connections
No. of intrinsic synapses?
~37 million synapses
No. of extrinsic connections?
~40 million connections
No. of extrinsic synapses?
~147 million synapses
Layer thicknesses?
L1
165 µm
L2
149 µm
L3
353 µm
L4
190 µm
L5
525 µm
L6
700 µm
Neuron densities?
L1
14,200 neurons/mm³
L2
164,600 neurons/mm³
L3
83,800 neurons/mm³
L4
177,300 neurons/mm³
L5
83,900 neurons/mm³
L6
131,500 neurons/mm³
Comments (4)
Add Comment
Lynette
this is "Mars Rover" on a rat cortical column.
Posted on 12/16/15 5:02 PM.
Srikanth Ramaswamy
My favourite pathway is L5MC -> L5TTPC! Yay Martinotti, you rock!
Posted on 5/5/15 9:25 AM.
Michael Reimann
I know! So, which one is your favorite pathway? I don't know, they are all amazing!
Posted on 5/5/15 7:05 AM in reply to Eilif Benjamin Muller.
Eilif Benjamin Muller
Wow! I can interact with all 1'941 pathways right in my own browser! Amazing! emoticon
Posted on 5/1/15 2:27 PM.