Abstract
Therehasbeenevidencefortheverybrief,temporalquantizationofperceptualexperienceatregularintervalsbelow100msforseveraldecades.Webrieflydescribehowearlierstudiesledtotheconceptof“psychologicalmoment”ofbetween50and60msduration.Accordingtohistoricaltheories,withinthepsychologicalmomentalleventswouldbeprocessedasco-temporal.Morerecently,alinkwithphysiologicalmechanismshasbeenproposed,accordingtowhichthe50–60mspsychologicalmomentwouldbedefinedbytheupperlimitrequiredbyneuralmechanismstosynchronizeandtherebyrepresentasnapshotofcurrentperceptualeventstructure.However,ourownexperimentaldevelopmentsalsoidentifyamorefine-scaled,serializedprocessstructurewithinthepsychologicalmoment.Ourdatasuggeststhatnotalleventsareprocessedasco-temporalwithinthepsychologicalmomentandinstead,someareprocessedsuccessively.Thisevidencequestionstheanalogrelationshipbetweensynchronizedprocessandsimultaneousexperienceandopensdebateontheontologyandfunctionof“moments”inpsychologicalexperience.