Table 1.

Electrophysiological properties used for unbiased classification of YFP-positive neurons.

Property	Description
Cm (pF)	Membrane capacitance measured after whole-cell configuration was achieved.
Rin (MΩ)	Slope of linear fit between current-voltage response curve.
RMP (mV)	Y-intercept of linear fit between current-voltage response curve.
Sag amplitude (mV)	Difference between most hyperpolarized voltage and steady-state voltage, measured in response to hyperpolarizations to approximately −100 mV.
AHP (mV)	Difference in voltage from AP threshold to maximum negative deflection during repolarization.
AP amplitude (mV)	Difference between AP threshold and peak amplitude of 1st AP.
AP frequency adaptation	Ratio between instantaneous frequencies of the first two APs and last three APs.
AP amplitude adaptation	Ratio between amplitudes of first and last AP during AP train.
AP Half-width (ms)	Time difference between rising phase and decaying phase of AP at half-maximum amplitude.
Decay rate of AP (mV/ms)	Maximum rate of rise of membrane voltage during AP rising phase.
Rise rate of AP (mV/ms)	Maximum rate of rise of membrane voltage during AP falling phase.
Current threshold (pA)	Smallest current that evoked at least one AP.