title: The role of the interstimulus interval in heterosynaptic facilitation in Aplysia californica.
mesh_terms: D000818:Animals; D004558:Electric Stimulation; D008564:Membrane Potentials; D008974:Mollusca / Q000502:physiology*; D009474:Neurons / Q000502:physiology; D013569:Synapses; D009435:Synaptic Transmission; D013997:Time Factors