| { | |
| "IAFs": { | |
| "format": "ModECI MDF v0.4", | |
| "generating_application": "Python modeci-mdf v0.4.11", | |
| "metadata": { | |
| "preferred_duration": 100, | |
| "preferred_dt": 0.1 | |
| }, | |
| "graphs": { | |
| "IAFs": { | |
| "nodes": { | |
| "current_input_node": { | |
| "parameters": { | |
| "time": { | |
| "default_initial_value": 0, | |
| "time_derivative": "1" | |
| }, | |
| "start": { | |
| "value": 20 | |
| }, | |
| "duration": { | |
| "value": 60 | |
| }, | |
| "amplitude": { | |
| "value": 10 | |
| }, | |
| "level": { | |
| "value": 0, | |
| "conditions": [ | |
| { | |
| "id": "on", | |
| "test": "time > start", | |
| "value": "amplitude" | |
| }, | |
| { | |
| "id": "off", | |
| "test": "time > start + duration", | |
| "value": "amplitude*0" | |
| } | |
| ] | |
| } | |
| }, | |
| "output_ports": { | |
| "current_output": { | |
| "value": "level" | |
| } | |
| } | |
| }, | |
| "pre": { | |
| "input_ports": { | |
| "current_input": { | |
| "shape": [ | |
| 1 | |
| ] | |
| } | |
| }, | |
| "parameters": { | |
| "v0": { | |
| "value": [ | |
| -60 | |
| ] | |
| }, | |
| "erev": { | |
| "value": [ | |
| -70 | |
| ] | |
| }, | |
| "tau": { | |
| "value": 10.0 | |
| }, | |
| "thresh": { | |
| "value": [ | |
| -20 | |
| ] | |
| }, | |
| "spiking": { | |
| "default_initial_value": "0", | |
| "conditions": [ | |
| { | |
| "id": "is_spiking", | |
| "test": "v >= thresh", | |
| "value": "1" | |
| }, | |
| { | |
| "id": "not_spiking", | |
| "test": "v < thresh", | |
| "value": "0" | |
| } | |
| ] | |
| }, | |
| "v": { | |
| "default_initial_value": "v0", | |
| "time_derivative": "-1 * (v-erev)/tau + current_input", | |
| "conditions": [ | |
| { | |
| "id": "reset", | |
| "test": "v > thresh", | |
| "value": "erev" | |
| } | |
| ] | |
| } | |
| }, | |
| "output_ports": { | |
| "v_output": { | |
| "value": "v" | |
| }, | |
| "spiking_output": { | |
| "value": "spiking" | |
| } | |
| } | |
| }, | |
| "post": { | |
| "input_ports": { | |
| "current_input": { | |
| "shape": [ | |
| 1 | |
| ] | |
| } | |
| }, | |
| "parameters": { | |
| "v0": { | |
| "value": [ | |
| -60 | |
| ] | |
| }, | |
| "erev": { | |
| "value": [ | |
| -70 | |
| ] | |
| }, | |
| "tau": { | |
| "value": 10.0 | |
| }, | |
| "thresh": { | |
| "value": [ | |
| -20 | |
| ] | |
| }, | |
| "spiking": { | |
| "default_initial_value": "0", | |
| "conditions": [ | |
| { | |
| "id": "is_spiking", | |
| "test": "v >= thresh", | |
| "value": "1" | |
| }, | |
| { | |
| "id": "not_spiking", | |
| "test": "v < thresh", | |
| "value": "0" | |
| } | |
| ] | |
| }, | |
| "v": { | |
| "default_initial_value": "v0", | |
| "time_derivative": "-1 * (v-erev)/tau + current_input", | |
| "conditions": [ | |
| { | |
| "id": "reset", | |
| "test": "v > thresh", | |
| "value": "erev" | |
| } | |
| ] | |
| } | |
| }, | |
| "output_ports": { | |
| "v_output": { | |
| "value": "v" | |
| }, | |
| "spiking_output": { | |
| "value": "spiking" | |
| } | |
| } | |
| }, | |
| "syn_post": { | |
| "input_ports": { | |
| "spike_input": { | |
| "shape": [ | |
| 1 | |
| ] | |
| } | |
| }, | |
| "parameters": { | |
| "syn_tau": { | |
| "value": 10 | |
| }, | |
| "spike_weights": { | |
| "value": [ | |
| 40 | |
| ] | |
| }, | |
| "weighted_spike": { | |
| "function": "MatMul", | |
| "args": { | |
| "A": "spike_weights", | |
| "B": "spike_input" | |
| } | |
| }, | |
| "syn_i": { | |
| "default_initial_value": "0", | |
| "time_derivative": "-1 * syn_i", | |
| "conditions": [ | |
| { | |
| "id": "spike_detected", | |
| "test": "spike_input > 0", | |
| "value": "weighted_spike" | |
| } | |
| ] | |
| } | |
| }, | |
| "output_ports": { | |
| "current_output": { | |
| "value": "syn_i" | |
| } | |
| } | |
| } | |
| }, | |
| "edges": { | |
| "input_edge": { | |
| "sender": "current_input_node", | |
| "receiver": "pre", | |
| "sender_port": "current_output", | |
| "receiver_port": "current_input" | |
| }, | |
| "post_internal_edge": { | |
| "sender": "syn_post", | |
| "receiver": "post", | |
| "sender_port": "current_output", | |
| "receiver_port": "current_input" | |
| }, | |
| "syn_edge": { | |
| "sender": "pre", | |
| "receiver": "syn_post", | |
| "sender_port": "spiking_output", | |
| "receiver_port": "spike_input" | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |