Table of capabilities and capacities

Model scale	Capability (class)	Capacity (method)
cell	ProducesElectricalResponse	produce_voltage_response
	ProducesEphysMeasurement	produce_soma_restingVm produce_soma_spikeheight produce_soma_spikeheight_antidromic produce_soma_inputR

Idea of capability and capacity (in CerebUnit)