title: Two-dimensional histograms of forward and backward recurrence time intervals for two pulse series analysis.
mesh_terms: D000818:Animals; D004594:Electrophysiology / Q000379:methods*; D006372:Helix, Snails / Q000502:physiology*; D009474:Neurons / Q000502:physiology*; D009482:Neurophysiology / Q000379:methods*; D012908:Snails / Q000502:physiology*