title: Dynamic patterns of brain cell assemblies. IV. Mixed systems. Influence of exogenous low-level currents. Evidence contradicting neuron sensitivity to extracellular fields.
mesh_terms: D000200:Action Potentials; D000818:Animals; D004558:Electric Stimulation; D004594:Electrophysiology; D006801:Humans; D009474:Neurons / Q000502:physiology*