Whatdayisittoday？Studyexplains

　　标题：Whatdayisittoday？Studyexplainswhyitcanbehardtokeeptrack
　　source：medicalnewstodaybyJamesMcIntosh
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　　Thestudy，publishedinPLOSONE，findsthatthemannerinwhichthetraditional7daycyclemoldsourlivesisresponsible。
　　The7dayweeklycycleisrepeatedforallofusfrombirth，andwebelievethisresultsineachdayoftheweekacquiringitsowncharacter，statesleadresearcherDr。DavidEllis，fromtheSchoolofPsychologyattheUniversityofLincolnintheUK。
　　Previousstudieshavenotedthatdifferentdaysoftheweekcanhavedifferentlevelsofimpactonbehavior。Forexample，medicalappointmentsonMondaysaremorelikelytobemissedthanappointmentsonFridays，withtherateofmissedappointmentsdecliningthroughouttheweek。
　　Thispatternsuggeststhat，ratherthanbeingqualitativelydifferent，MondayandFridaymaybetwoextremesalongacontinuumofchange，theauthorswrite。
　　Theaimofthenewstudywastoshedlightonanypossiblelinksbetweentheweekly7daycycleandbasiccognition，andtheresearcherssetouttoachievethisbycharacterizingmentalrepresentationsoftheweekdays。
　　Theyaskedparticipantswhichwordstheymoststronglyassociatedwithspecificdaysoftheweek。MondaysandFridayshadthemostmentalrepresentationsattachedtothem，withMandFparty。
　　FewerrepresentationswereattachedtoTuesdays，WednesdaysandThursdays，indicatingthattheycarriedlessmeaningandwerelessdistinct，makingthemmoreeasilyconfused。
　　Whentestedtoseehowquicklytheycouldstatewhatthecorrectdaywas，theparticipantscouldcorrectlydeclareitwasaMondayoraFridaytwiceasfastastheycouldonaWednesday。
　　MidweekdaysoccurlessfrequentlyinnaturallanguagethanMondayandFriday
　　Theresearchersnotedthatwhenpeoplegotthecurrentdayconfusedwithanother，itusuallyoccurredduringthemiddleoftheweek。
　　Indeed，morethanathirdofparticipantsreportedthatthecurrentdayfeltlikeadifferentday，andmostofthosefeelingswereonTuesdays，WednesdaysandThursdays，reflectingthemidweekdipinassociationsattachedtodifferentdays，saysDr。Ellis。
　　Duringaweekwithapublicholidayatthebeginning，thenumberofthesemistakesrosetomorethanhalf，withmanyparticipantsreportingthattheyfeltasthoughtheywereadaybehindinthecycle。
　　Dr。Ellisstatesthatthisfindingimpliestimecyclescanshapecognitionevenwhentheyaresociallyconstructedtheapparentweekdayisnotdeterminedsolelybywhereitfallsinthe7daycyclebutwhereitoccursinrelationtotheweekend。
　　Culturalfactorsmaywellexplainthesefindings，suggestscoauthorDr。RobJenkins，fromtheDepartmentofPsychologyattheUniversityofYorkintheUK：
　　Onereasonbehindmidweekdaysevokingfewerassociationsthanotherdayscouldbedowntohowinfrequentlytheyoccurinnaturallanguage，thusprovidingfeweropportunitiesforassociationstoformforexample，wehaveanabundanceofpopsongswhichmakeuseofMondaysandFridays，whilethemidweekdaysarerarelyused。
　　Headdsthatifevidencecanbefoundthataspectsofbehaviorsuchasriskortolerancealsovarysystematicallyovertheweek，theimplicationsforbothindividualbehaviorandpsychologicalmeasurementcouldbeprofound。
　　Previousstudieshaveshownthatnaturaltemporalcycles（days，months，years）havepsychologicalconsequences，theauthorsconclude。Thepresentfindingsdemonstratethatsociallyconstructedtemporalcyclescanalsoshapeourthinking。
　　Incontrasttosociallyconstructedtemporalcycles，ateamofresearchersrecentlymadeadiscoveryrelatingtobiologicaltemporalcycles。Lastweek，MedicalNewsTodayreportedonastudythatdescribesthemechanismthatcontrolsthesleepwakecycleinanimals。