Cardiovascular Physiological PhenomenaDental Physiological PhenomenaDigestive System and Oral Physiological PhenomenaReproductive and Urinary Physiological PhenomenaMusculoskeletal and Neural Physiological PhenomenaCirculatory and Respiratory Physiological PhenomenaIntegumentary System Physiological PhenomenaSports Nutritional Physiological PhenomenaReproductive Physiological PhenomenaPhysiological PhenomenaElder Nutritional Physiological PhenomenaUrinary Tract Physiological PhenomenaMusculoskeletal Physiological PhenomenaVirus Physiological PhenomenaDigestive System Physiological PhenomenaBlood CirculationBlood Physiological PhenomenaOcular Physiological PhenomenaAdolescent Nutritional Physiological PhenomenaNervous System Physiological PhenomenaExtracorporeal CirculationPhotic StimulationSkin Physiological PhenomenaRespiratory Physiological PhenomenaPulmonary CirculationCell Physiological PhenomenaPrenatal Nutritional Physiological PhenomenaPlant Physiological PhenomenaBacterial Physiological PhenomenaTime FactorsReaction TimeAcoustic StimulationCollateral CirculationGeneralization, StimulusMaternal Nutritional Physiological PhenomenaChild Nutritional Physiological PhenomenaVisual PerceptionPhysical StimulationNutritional Physiological PhenomenaDiscrimination LearningCerebrovascular CirculationEnterohepatic CirculationDiscrimination (Psychology)Coronary CirculationInfant Nutritional Physiological PhenomenaPattern Recognition, VisualPsychophysicsAttentionSensory ThresholdsMotion PerceptionElectric StimulationNeuronsCuesAuditory PerceptionVisual CortexAction PotentialsPlacental CirculationSplanchnic CirculationModels, NeurologicalBrain MappingContrast SensitivityAnalysis of VarianceOrientationColor PerceptionBlood Circulation TimeRaynaud DiseaseCatsRats, Sprague-DawleyRegional Blood FlowEvoked Potentials, VisualLiver CirculationModels, BiologicalTouchEvoked PotentialsBrainMagnetic Resonance ImagingConditioning, ClassicalSpace PerceptionBehavior, AnimalEvoked Potentials, AuditoryAdaptation, Physiological