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ponent[4]Environmenthassomeroletoo-,andstudiesofwhitemattertractssupportsthisidea[5]ingconnectedtogether[6]Synaesthesiamayalsobeacquiredinadultsaftersensoryloss()buthassomewhatdifferentcharacteristicsSynaesthesia(Candidate:123456)DefinitionsandCharacteristicsIsitReal?WhatCausesIt?WhataretheConsequencesofit?ReferencesUnusualsensoryexperiencestriggeredbyastimulusthatdoesnotnormallyelicitthatresponseExamples:experiencinglettersandnumbersascoloured(topleft),visualisingsequencesspatially(topright),tastingwords,seeingmusicandsoonColourexperiencesfromverbalstimuli(words,letters,numbers)monform=4to5%ofpopulation[1]Differentsynaesthetesexperiencedifferentcoloursbuttheirowncolourstendtobestableovertime[2]urautomatically:synaesthetescannotswitchitonoroffTheautomaticityofsynaesthesiaisdemonstratedusingStroop-likeinterferencetasks[2].=redthenhe/shewillbeslowertonamethetruetextcolourforArelativetoAfMRIstudiesshowthatthebrains’ofsynaesthetesresponddifferentlywhenpresentedwithstimulithatinducesynaesthesiaInthisstudy,‘colouredspeech’(nottriggeringcolours),andthesameconditionsincontrols[3]Thehumancolourarea(V4)respondswhensynaestheteslistentospeech[3]ColourNamingTime(ms)Congrue