FN.mdf.json

{
    "FN": {
        "format": "ModECI MDF v0.3",
        "graphs": {
            "FN": {
                "notes": "FitzHugh Nagumo cell model - originally specified in NeuroML/LEMS",
                "nodes": {
                    "FNpop_0": {
                        "parameters": {
                            "initial_w": {
                                "value": 0.0
                            },
                            "initial_v": {
                                "value": -1.0
                            },
                            "a_v": {
                                "value": -0.3333333333333333
                            },
                            "b_v": {
                                "value": 0.0
                            },
                            "c_v": {
                                "value": 1.0
                            },
                            "d_v": {
                                "value": 1.0
                            },
                            "e_v": {
                                "value": -1.0
                            },
                            "f_v": {
                                "value": 1.0
                            },
                            "time_constant_v": {
                                "value": 1.0
                            },
                            "a_w": {
                                "value": 1.0
                            },
                            "b_w": {
                                "value": -0.8
                            },
                            "c_w": {
                                "value": 0.7
                            },
                            "time_constant_w": {
                                "value": 12.5
                            },
                            "threshold": {
                                "value": -1.0
                            },
                            "mode": {
                                "value": 1.0
                            },
                            "uncorrelated_activity": {
                                "value": 0.0
                            },
                            "Iext": {
                                "value": 0.0
                            },
                            "MSEC": {
                                "value": 0.001
                            },
                            "V": {
                                "default_initial_value": "initial_v",
                                "time_derivative": "(a_v*V*V*V + (1+threshold)*b_v*V*V + (-1*threshold)*c_v*V + d_v + e_v*W + f_v*Iext + INPUT) / (time_constant_v*MSEC)"
                            },
                            "W": {
                                "default_initial_value": "initial_w",
                                "time_derivative": "(mode*a_w*V + b_w*W + c_w + (1-mode)*uncorrelated_activity) / (time_constant_w*MSEC)"
                            },
                            "OUTPUT": {
                                "value": "V"
                            }
                        },
                        "input_ports": {
                            "INPUT": {}
                        },
                        "output_ports": {
                            "V": {
                                "value": "V"
                            },
                            "W": {
                                "value": "W"
                            },
                            "OUTPUT": {
                                "value": "OUTPUT"
                            }
                        },
                        "notes": "Cell: [Cell (fn), lems_source_file = FN_Definitions.xml, parameters = {'initial_w': 'initial_w', 'initial_v': 'initial_v', 'a_v': 'a_v', 'b_v': 'b_v', 'c_v': 'c_v', 'd_v': 'd_v', 'e_v': 'e_v', 'f_v': 'f_v', 'time_constant_v': 'time_constant_v', 'a_w': 'a_w', 'b_w': 'b_w', 'c_w': 'c_w', 'time_constant_w': 'time_constant_w', 'threshold': 'threshold', 'mode': 'mode', 'uncorrelated_activity': 'uncorrelated_activity', 'Iext': 'Iext'}] is defined in FN_Definitions.xml and in Lems is: Component, id: fn, type: fnCell,\n   parameters: {'initial_w': '0.0', 'initial_v': '-1', 'a_v': '-0.3333333333333333', 'b_v': '0.0', 'c_v': '1.0', 'd_v': '1', 'e_v': '-1.0', 'f_v': '1.0', 'time_constant_v': '1.0', 'a_w': '1.0', 'b_w': '-0.8', 'c_w': '0.7', 'time_constant_w': '12.5', 'threshold': '-1.0', 'mode': '1.0', 'uncorrelated_activity': '0.0', 'Iext': '0'}\n   parent: None\n"
                    }
                },
                "edges": {}
            }
        }
    }
}