Feelingblueandseeingblue：Sadne

　　标题：Feelingblueandseeingblue：Sadnessmayimpaircolorperception
　　source：psypost丨ASSOCIATIONFORPSYCHOLOGICALSCIENCE
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　　Theworldmightseemalittlegrayerthanusualwhenwe’redowninthedumpsandweoftentalkabout“feelingblue”newresearchsuggeststhattheassociationswemakebetweenemotionandcolorgobeyondmeremetaphor。Theresultsoftwostudiesindicatethatfeelingsadnessmayactuallychangehowweperceivecolor。Specifically，researchersfoundthatparticipantswhowereinducedtofeelsadwerelessaccurateinidentifyingcolorsontheblueyellowaxisthanthosewhowereledtofeelamusedoremotionallyneutral。
　　TheresearchispublishedinPsychologicalScience，ajournaloftheAssociationforPsychologicalScience。
　　“Ourresultsshowthatmoodandemotioncanaffecthowweseetheworldaroundus，”sayspsychologyresearcherChristopherThorstensonoftheUniversityofRochester，firstauthorontheresearch。“Ourworkadvancesthestudyofperceptionbyshowingthatsadnessspecificallyimpairsbasicvisualprocessesthatareinvolvedinperceivingcolor。”
　　Previousstudieshaveshownthatemotioncaninfluencevariousvisualprocesses，andsomeworkhasevenindicatedalinkbetweendepressedmoodandreducedsensitivitytovisualcontrast。Becausecontrastsensitivityisabasicvisualprocessinvolvedincolorperception，ThorstensonandcoauthorsAdamPazdaandAndrewElliotwonderedwhethertheremightbeaspecificlinkbetweensadnessandourabilitytoperceivecolor。
　　“Wewerealreadydeeplyfamiliarwithhowoftenpeopleusecolortermstodescribecommonphenomena，likemood，evenwhentheseconceptsseemunrelated，”saysThorstenson。“Wethoughtthatmaybeareasonthesemetaphorsemergewasbecausetherereallywasaconnectionbetweenmoodandperceivingcolorsinadifferentway。”
　　Inonestudy，theresearchershad127undergraduateparticipantswatchanemotionalfilmclipandthencompleteavisualjudgmenttask。Theparticipantswererandomlyassignedtowatchananimatedfilmclipintendedtoinducesadnessorastandupcomedyclipintendedtoinduceamusement。Theemotionaleffectsofthetwoclipshadbeenvalidatedinpreviousstudiesandtheresearchersconfirmedthattheyproducedtheintendedemotionsforparticipantsinthisstudy。
　　Afterwatchingthevideoclip，theparticipantswerethenshown48consecutive，desaturatedcolorpatchesandwereaskedtoindicatewhethereachpatchwasred，yellow，green，orblue。
　　Theresultsshowedthatparticipantswhowatchedthesadnessvideoclipwerelessaccurateinidentifyingcolorsthanparticipantswhowatchedtheamusingclip，butonlyforcolorpatchesthatwereontheblueyellowaxis。Theyshowednodifferenceinaccuracyforcolorsontheredgreenaxis。
　　Andasecondstudywith130undergradparticipantsshowedthesameeffectincomparisontoaneutralfilmclip：Participantswhowatchedasadclipwerelessaccurateinidentifyingcolorsontheblueyellowspectrumthanthosewhowatchedaneutralscreensaver。Thefindingssuggestthatsadnessisspecificallyresponsibleforthedifferencesincolorperception。
　　Theresultscannotbeexplainedbydifferencesinparticipants’levelofeffort，attention，orengagementwiththetask，ascolorperceptionwasonlyimpairedontheblueyellowaxis。
　　“Weweresurprisedbyhowspecifictheeffectwas，thatcolorwasonlyimpairedalongtheblueyellowaxis，”saysThorstenson。“Wedidnotpredictthisspecificfinding，althoughitmightgiveusacluetothereasonfortheeffectinneurotransmitterfunctioning。”
　　Theresearchersnotethatpreviousworkhasspecificallylinkedcolorperceptionontheblueyellowaxiswiththeneurotransmitterdopamine。
　　Thorstensonpointsoutthatthisresearchchartsnewterritory，andthatfollowupstudiesareessentialtofullyunderstandingtherelationshipbetweenemotionandcolorperception：
　　“Thisisnewworkandweneedtotaketimetodeterminetherobustnessandgeneralizabilityofthisphenomenonbeforemakinglinkstoapplication，”heconcludes。