Visual PerceptionPhotophobiaLightPhotic StimulationVisual CortexVisual FieldsVision, OcularPerceptionEvoked Potentials, VisualVisual PathwaysVisual AcuityDepth PerceptionMotion PerceptionVisual Field TestsLight Signal TransductionSensory ThresholdsPhotoreceptor CellsSensitivity and SpecificityRetinal Cone Photoreceptor CellsPattern Recognition, Visualcis-trans-IsomerasesDark AdaptationImage Processing, Computer-AssistedRetinaRetinal Rod Photoreceptor CellsDarknessRod OpsinsContrast SensitivityForm PerceptionDiscrimination (Psychology)PsychophysicsAdaptation, OcularRhodopsinSpace PerceptionAttentionSize PerceptionPerceptual DisordersPhotoreceptor Cells, InvertebrateOptical IllusionsReaction TimeElectroretinographyIllusionsPsychomotor PerformanceVision, BinocularCuesRod Cell Outer SegmentAmbystomaRetinal PigmentsFixation, OcularColor PerceptionPhosphenesBrain MappingPhotoreceptor Cells, VertebrateOccipital LobeAgnosiaEye MovementsEye ProteinsVision DisparityOrientationAuditory PerceptionVision DisordersCircadian RhythmTransducinMagnetic Resonance ImagingConsciousnessTime PerceptionHuman BodySaccadesGlaucomaSignal Detection, PsychologicalRetinal Ganglion CellsFunctional LateralityVisual ProsthesisTime FactorsGestalt TheoryColorModels, NeurologicalPerceptual MaskingImage Interpretation, Computer-AssistedUltraviolet RaysTemporal LobeAwarenessSpeech PerceptionMutationSocial PerceptionAnalysis of VarianceParietal LobeBrainFeeding MethodsReproducibility of ResultsAlgorithmsField Dependence-IndependenceDiscrimination LearningPerceptual DistortionMacaca mulattaAcoustic StimulationDominance, OcularMotionJudgmentNeuropsychological Tests