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Lack of accommodation in VTA nondopamine neurons. This neuron had a resting membrane potential of −64 mV.A, Increasing levels of depolarizing current produced multiple VTA non-DA spiking. Current steps are shownabove the traces. The calibration bar (top) is the same for all traces.B, Summary of the input/output response for spiking produced by depolarizing current demonstrates the lack of accommodation of VTA non-DA neurons.
