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Published byKoby Blamer Modified over 9 years ago
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Current Understanding of the Autism Spectrum Prof Rita Jordan PhD OBE Emeritus Professor in Autism Studies University of Birmingham, UK Autism NI: Day conference: 5/4/2011 Ballemena
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Current Diagnosis ICD:10 & DSM:IV - based on underlying ‘triad’ of difficulties: –social & emotional understanding –communication –flexibility in thinking & behaviour ASD part of PDD –autistic disorder (classical autism) –Asperger syndrome –atypical autism/ PDD-NOS DSM V coming (2012?) –future of Asperger syndrome?
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Roots in Biology MMR link finally discredited mirror neurons –difficulty with ‘motor intuition’ & agency atypical amygdala functioning re emotions –difficulty with ‘emotional attunement’ & awareness –fear from faces - social anxiety
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Roots in Biology (2) social signals not salient –attentional differences –categorisation problems –hard to detect relevance –no social referencing for danger frontal lobe differences & connectivity –Casanova 2003 - mini-columns –‘ bottom-up’ processing – memory differences
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Roots in Biology (3) premature brain development (Courchesne) –less modulation from learning –strengths in ‘pure’ perception excess fetal testosterone? –extreme male brain –systemisers vs empathisers –linked to characteristic style - not disorder
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Sensory Issues evidence that at extremes both over- and under-responsive to different senses ‘over-responsive’: sensory avoiding; ‘under-responsive’: sensory seeking sensory profiles e.g. Bogdashina (2003) shield from sensitivities and/or desensitise attach meaning to perception - reduce ‘bombardment’ of meaningless stimulation aware of variability - use proximal blocks give environmental control to individual if possible reduce overall stress teach to monitor and manage levels of arousal
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A Developmental Disorder – compensation – secondary 'handicaps' – transactional process
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Psychological Functioning in ASD perception/ sensation –‘chicken & egg’ –no socially meaningful patterns –idiosyncratic –‘backgrounding’ difficult attention –mono attention –joint attention & monitoring –social signals
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Psychological Functioning in ASD (2) sense of self –intersubjectivity fails to develop –‘experiencing self’ & consciousness socialisation –social brain dysfunctional –sensory cues dominate memory –paradoxical - rote vs meaningful –slow & accurate - not reconstructed –needs cues
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Psychological Functioning in ASD (3) concept development –abstract as verb not adjective - fuzzy concepts feelings & emotions –understanding then symbols –external cueing of own feelings flexibility & self control –comes from understanding –plan do reflect sequences & consequences
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Communication and ASD language and communication separate often associated language problems prognosis all aspects: –gesture –posture –facial expression –emotion –pragmatics
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What’s Special about ASD? need to learn explicitly what others acquire intuitively or through social tutoring –identity of self/ other –saliency of social signals –agency and intention –relevance and priority –social/cultural meaning –nature of communication –emotional consciousness
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The ‘ASD’ lens individual needs determine learning and should determine teaching individuality is even more the case in ASD yet a lack of mutual empathy means –teachers have to use non-intuitive routes in teaching those with ASD –just as those with ASD have to use non intuitive routes in their learning
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