Visual PerceptionVisual CortexPhotic StimulationPerceptionEvoked Potentials, VisualVisual PathwaysDepth PerceptionMotion PerceptionVisual FieldsVisual AcuityRespiratory Function TestsForced Expiratory VolumePattern Recognition, VisualSensitivity and SpecificityVital CapacityVision, OcularContrast SensitivityForm PerceptionDiscrimination (Psychology)PsychophysicsSpace PerceptionAttentionLeprosySensory ThresholdsPeripheral Nervous System DiseasesRenal InsufficiencyPerceptual DisordersSize PerceptionReaction TimePsychomotor PerformanceLungTime FactorsOptical IllusionsSpirometryIllusionsCuesVision, BinocularPulmonary Disease, Chronic ObstructiveVision DisordersFixation, OcularColor PerceptionAgnosiaDustPhosphenesExecutive FunctionOccipital LobeBrain MappingMagnetic Resonance ImagingKidney DiseasesAuditory PerceptionEye MovementsOrientationVision DisparityCross-Sectional StudiesConsciousnessTime PerceptionSignal Detection, PsychologicalHuman BodyCreatinineSaccadesFunctional LateralityLung DiseasesNeuropsychological TestsSeverity of Illness IndexVisual ProsthesisQuestionnairesTemporal LobeGestalt TheorySpeech PerceptionPerceptual MaskingOccupational ExposureAwarenessAnalysis of VarianceSmokingModels, NeurologicalSocial PerceptionParietal LobeTreatment OutcomeProspective StudiesRisk FactorsKidneyBrainFeeding MethodsRetrospective StudiesCognitionCase-Control StudiesGlomerular Filtration RateDiscrimination LearningColorVisual Field TestsPerceptual DistortionField Dependence-IndependenceRetinaAcoustic StimulationBiological MarkersFollow-Up StudiesMemoryLightMacaca mulattaElectroencephalography