AplysiaGanglia, InvertebrateGangliaInvertebrate HormonesFMRFamideSerotoninNeurons, AfferentMolluscaMotor NeuronsNeuropeptidesCheekSynapsesNeuronsFeeding BehaviorGillsReflexNeuronal PlasticityHabituation, PsychophysiologicTailNervous System Physiological PhenomenaNeurosecretionInstinctAcidic GlycosphingolipidsLong-Term PotentiationAction PotentialsElectrophysiologySynaptic TransmissionNervous SystemElectric StimulationAminoethylphosphonic Acid