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LING 2604 (3)
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Final

Final study notes.docx

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Department
Linguistics
Course Code
LING 2604
Professor
all

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Description
AutismKeycharacteristicsImpairmentinsocialinteractionegdifficultyrelatingtoothers2Impairmentsincommunicationegspeechandlanguagedelays1Restrictedrepetitiveandstereotypedpatternsofbehaviour2DSM5AspergerSyndromeandPDDNOSwillnolongerbediagnosticlabels7080haveintellectualdelayRetttooPrevalence1in91childrenaged3to1741boystogirls1in110AutismandDevelopmentalDisabilitiesMostmildormoderateDramaticincreaseindiagnosisinlasttenyearsUpto40ofchildrenmayremainnonverbal3051ofchildrenareintellectuallychallengedCausesTheGeneticComponentTheNeurologicalComponentCourseofdevelopmentandEnvironmentalinfluencesGeneticsComorbiditymuchhigherinMZtwinscomparedtoinDZpairsMultiplegenesimplicatedAssociatedwithserotoninoxytocinproductionGenesxenvironmentinteractionNeurobiologicalDifferencesEarlyovergrowthfollowedbyabnormallyslowgrowthOvergrowthofwhitemattercomparedtogreymatterDamagetotheprefrontalcortexlimbicregionsandbrainstemCerebellardeficitsandincreasedcelldensitynervecellsnotprunedbackExcessdopamineAbnormalbraincellsforimitationfacialexpressionandsensoryprocessingAtypicaldevelopmentofmirrorneuronsalsoassociatedwithstrepvirusPossibledevelopmentalcausesMedicalconditionsusuallynotlinkedtoASDbutsomeassociatedconditionsincludeSeizuresDifficultdeliveryandDelayedbreathingndSomehavenormalearlydevelopmentwithsymptomsshowingin2yearEnvironmentalinfluencesRefrigeratormotherscoldmotherTestosteronehigherlevelsareassociatedAlcoholdontdrinkInfectionsegRubellaCMVEnvironmentalpollutionGeneticsStudieshaveidentifiedacleargeneticcomponenttoASDIdentifiablegeneticconditionsmayaccountfor1020ofASDcasesWhatdoesASDlooklikeSocialcharacteristicsMultiplenonverbalbehaviorssuchaseyetoeyegazefacialexpressionbodyposturesandgesturestoregulatesocialinteractionFailuretodeveloprelationshipsappropriatetodevelopmentallevelAlackofspontaneousseekingtoshareenjoymentwothersLackofsocialoremotionalreciprocityCommunicationcharacteristicsDelayindevelopmentofspokenlanguageInindividualswithadequatespeechmarkedimpairmentintheabilitytoinitiateorsustainaconversationwithothersStereotypedandrepetitiveuseoflanguageidiosyncraticlanguageLackofvariedspontaneousmakebelieveplaysocialimitativeplayBehaviouraldifficultiesObsessionwithstereotypedrestrictedpatternsofinterestthatisabnormaleitherinintensityfocusInflexibleadherencetospecificnonfunctionalroutinesorritualsStereotypedandrepetitivemotormannerismsPersistentpreoccupationwithpartsofobjectsOthersymptomsGrossMotorSkillsHighlyvariabletypicaltohighlychallengedPoorbodyimageproprioceptioncoordinationTonaldifferencesmayaffectwalkingrunningjumpingFineMotorSkillsHighlyvariabletypicaltohighlychallengedPoorproprioceptioncoordinationTonaldifferencesdifficultieswithcuttingdrawingwritingCanimpactabilitytousesignlanguageMayneedadaptivecomputertechnologiesSensorydifferencesSensoryoverloadorunderstimulationCommunicationSkillsInearlydevelopmentmayrelyonparentalreportsandfreefieldassessmentsStandardizedtestingEmphasisfirstonprelinguisticbehavioursandplaydevelopmentAlwaysstressthesociopragmaticaspectoflanguageProgresstohigherlevellanguagefunctionsegidiomaticlanguagePragmaticssociallanguageusealmostalwaysapriorityandneedssupportSpeechProductionMaybenormalorhaveanunderlyingoralmotorproblemverbaldyspraxiaMayhavephonologicaldelaytheyoftenhavedifficultieswithphonemicawarenessskillsforreadingmostoftensightwordreadersPoorphonologicalrepresentationsorganizationleadtowordretrievaldifficultiesandgeneralverbalformulationchallengesProsodicdifferencesvolumeintonationetcReceptiveLanguageinAutismAttentionalchallengespoorlisteningskillsAuditorycapacitylimitationsslowauditoryprocessingspeed
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