Table 2. | lSBC | sSBC | GBS | D-SC |
---|---|---|---|---|
Number of cells | 36600 15 | 6300 15 | 630 15 16 | |
Converging ANFs, n | soma 2-3 1 2 14 15 | soma 2-3 1 2 14 15 | soma/prox. dend15 4-4015 av~23 3 21 | soma/prox. dend15 106 |
Inhibitory Inputs, n | 10 1 | 10 1 | 91 3 | |
Excitatory Endings Morphology | Endbulb ofHeld1 1 15 | Endbulb ofHeld1 1 15 | Modified Endbulb 12 15 | Bouton Endings 15 |
Input (ANF) CF | L 10 11 | H 10 or H/full range 11 | H-L | wide range 6 11 |
Input (ANF) SR, spikes/s | L/M/H equally7 | L/M/H equally7 | mainly H 3 4 5 7 Ex:183 | |
Exc. Synapse Conductance, nS | 222 6 | 222 6 | 222 6 | 4.56 |
Exc. Synapse decay Time Constant, ms | 0.36-0.52 | 0.36-0.52 | 0.36-0.52 | |
Exc. Synapse Reversal Potential, mV | 02 | 02 | 02 | |
Inh. Synapse conductance, nS | 7.56 | 7.56 | 7.56 | |
Inhib Synapse Time Constant, ms (α function) | 116 | 116 | 116 | |
“Cell” Type | II | II3 | I-II6 or II-I6 | |
Cell CF | skewed to L13 | the same range as ANFs 24 | skewed to H13 | broadly tuned15 16 |
Cell SR, spikes/s | distribution ~ to that of ANF7 | 383 or L31 ?? | ||
Response Type | PL8 9 11 15 | PL8 9 11 15 | PL-N2 3 8 15 | Onc 8 9 11 |
Targets | iLSO only2 11 | cMNTB8 11 14 | BC | |
Deviation of first spike occurrence | 100 μsec15 | |||
Inhibitory inputs delay from AN, ms | 2 | 2 | 2 | |
Driven Rate,spikes/s | 1003 |
MNTB and LSO connectivity
Table 3 | MNTB - PC | LSO - PC |
---|---|---|
Number of cells | 2000-6000 21 | 75% of the population 20 |
Excitatory Inputs, n | soma 119 | distal dendrites 17 20 1022 |
Inhibitory Inputs, n | soma/prox. dend17 18 20 822 | |
Excitatory Endings Morphology | Calyx of Held14 17 20 | |
Exc. Synapse Conductance, nS | 30–16014 | |
Exc. Synapse decay Time Constant, ms | ||
Exc. Synapse Reversal Potential, mV | ||
Inh. Synapse conductance, nS | ||
Inhib Synapse Time Constant, ms | <221 Av. decay (1-exp) 0.7521 | |
Excitation time delay from AN, ms | 1.220 | 2.920 |
Inhibition time delay from AN, ms | 3.120 | |
Cell CF | preponderance of H21 | skewed to H23 27 |
Response Type | PL/PL-N20,2120 21 | S/F-CHOP7 20 25 - 30 |
Cell SR, spikes/s | from <1 to >10021, av~3021 | No or Low 21 |
REFERENCES:
ACKNOWLEDGMENTS
This work was funded by A.B. Kogan Research Institute for Neurocybernetics, Southern Federal University, Rostov-on-Don, Russia