Visual Experience Regulates the Intrinsic Excitability of Visual Cortical Neurons to Maintain Sensory Function

？ Intrinsic properties of V1 L2/3 neurons are modulated by ongoing sensory input ？ Visually evoked synaptic responses are reduced after visual deprivation ？ Deprivation has little effect on spiking or subthreshold orientation selectivity ？ Cortical cells preserve sensory function despite long-term changes in synaptic driv