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61 lines
2.3 KiB
61 lines
2.3 KiB
2 years ago
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"""
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Test construction of a complete circuit build from cell populations.
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This script:
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1. Creates populations of sgc, bushy, and stellate cells.
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2. Connects the populations together.
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3. Instantiates 10 bushy and 10 t-stellate cells near 16kHz.
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4. Resolves all required synaptic dependencies.
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No simulation is executed; this is meant to be run interactively to allow
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introspection of the circuit that was generated.
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"""
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from cnmodel import populations
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def testcircuit():
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# Create cell populations.
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# This creates a complete set of _virtual_ cells for each population. No
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# cells are instantiated at this point.
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sgc = populations.SGC()
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bushy = populations.Bushy()
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dstellate = populations.DStellate()
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tstellate = populations.TStellate()
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# Connect populations.
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# This only records the connections between populations; no synapses are
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# created at this stage.
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sgc.connect(bushy, tstellate, dstellate)
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dstellate.connect(tstellate, bushy)
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# tstellate.connect(bushy) # this will fail - we don't know about this connection yet.
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# Select cells to record from.
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# At this time, we actually instantiate the selected cells.
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# select 10 bushy cells closest to 16kHz
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bushy_cell_ids = bushy.select(10, cf=16e3, create=True)
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# select 10 stellate cells closest to 16kHz
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tstel_cell_ids = tstellate.select(10, cf=16e3, create=True)
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# Now create the supporting circuitry needed to drive the cells we selected.
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# At this time, cells are created in all populations and automatically
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# connected with synapses.
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bushy.resolve_inputs(depth=2)
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tstellate.resolve_inputs(depth=2)
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# Note that using depth=2 indicates the level of recursion to use when
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# resolving inputs. For example, resolving inputs for the bushy cell population
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# (level 1) creates presynaptic cells in the dstellate population, and resolving
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# inputs for the dstellate population (level 2) creates presynaptic cells in the
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# sgc population.
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# TODO:
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# - specify which parameters to record (Vm, spike times, per-synapse currents, etc)
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# - run simulation and display / analyze results
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# - add examples of modifying circuitry to search parameter spaces, test
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# hypotheses, etc.
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if __name__ == "__main__":
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testcircuit()
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