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Autism Spectrum Disorder
Early Diagnosis & Early Intervention
Alessandro FrolliUniversità degli Studi Internaionali di Roma
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Today we will talk about
Defining ASD
New Numbers/Prevalence
DSM-5
Core Symptoms/ Co-occurring Disorders
Identification of ASD
Treatment of ASD
Applied Behavior Analysis (ABA)
Relationship-Based Methods
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Defining:Autism Spectrum Disorder
1943 – Leo Kanner – Infantile autism
1944 – Hans Asperger
1960s – Separation from schizophrenia
1970s – Biology / Genetic Underpinnings
1980 – DSM-III – Pervasive Developmental Disorders
1987 – DSM-III-R - Autistic Disorder / PDD-NOS
1994 – DSM-IV – Asperger’s Disorder
2013- DSM-5- Autism Spectrum Disorder
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The nature of Autism Spectrum
Disorder
Stayed tuned for more on DSM-5 later!
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Prevalence:What once was rare…
Old estimate for autism: ~ 1/2500 (1985)
Recent estimates for autism: ~ 1/500 (1995)
Newest estimates for ASD: 1/150 (CDC, 2002) 1/110 (CDC, 2006) 1/88 (CDC, 2008)
NOW- 1/68 (CDC, 2010)
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Hot of the press…
(March 27, 2014) – Today, the Centers for
Disease Control and Prevention (CDC) released
new data on the prevalence of autism in the
United States. This surveillance study identified 1
in 68 children (1 in 42 boys and 1 in 189 girls) as
having autism spectrum disorder (ASD).
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DSM-5Distinctions can be difficult both within the spectrum and across
other disorders
Autism
Spectrum
Disorder
Autistic D/O Asperger’s PDD-NOS
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DSM-5
Deficits in social communication (all 3): Deficits in nonverbal communication
Deficits in social and emotional reciprocity
Deficits in maintaining relationships
Restricted, repetitive patterns of behavior, interest, and activities (2) Stereotyped motor or verbal behavior
Unusual sensory behavior
Excessive adherence to routines and ritualized bhx
Restricted, fixated interests
Symptoms present in early childhood (manifest when social demands exceed capabilities)
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Core Symptom DomainsPLUS Associated Medical Features
Social
Impairment
& Restricted
Interests
Speech/
Communication
Deficits
Obsessive
Compulsive
Disorder
AUTISM
SPECTRUM
DISORDERS
Language DisordersIntellectual
Disabilities
ADHD
Social
Anxiety
OCD
AggressionEpilepsy-
EEG abnormalities
Motor problems:
Apraxia
Immune
Dysfunction
Gastro-intestinal
Dysfunction
Sleep
Disturbance
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Autism Spectrum Disorders (ASD)
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Core Deficit
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Core Deficit
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Core Deficit
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“Sistema Mirror”
Social perception
Social cognition
Social Development
ToM
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Prospettiva nello Sviluppo Tipico
Livelli Progressivi di
Sviluppo
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LIVELLO III: Differenziazione di Prospettiva
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EMBODIED SIMULATION AND VISUAL PERSPECTIVE
TAKING IN AUTISM SPECTRUM DISORDERS
M. Conson, E. Mazzarella, D. Esposito, D. Grossi, N. Marino, A. Massagli, A. Frolli
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New diagnostic measures Autism Diagnostic Interview - R (1989, 1994 ADI-R) Autism Diagnostic Observation Schedule 2 (1989,
2000 ADOS2)
Screening tools/algorithms/instruments in wide use: MCHAT / AAP guidelines SCQ SRS
Why are numbers increasing:
Better tools?
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21%
16%
26%
18%
Buona Sufficiente
papà
mammeChiarezza I Diagnosi
Insufficiente
66%53%
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The Importance of Effective Early Diagnosis and Treatment:
A public health perspective
Earlier diagnosis = More intervention opportunities
More opportunities = Optimal intervention benefit
Core features: social communication / atypical behaviors
Cognitive and adaptive functioning
Fully integrated classroom placements
Potentially promoting optimal adaptive independence
Potentially reducing considerable lifetime cost and service system demands associated with ASD and related care
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Neurodevelopmental Underpinnings
Core and associated vulnerabilities likely have complex neurogenetic origins:
Evidence:
Maleness (3:1 to 4:1)
Familial loading/risk:
MZ twins: 58-96%
DZ twins: 0-31%
Sibs: 5-20%(18.7% - Ozonoff et al., Pediatrics, 2011)
1% - Population
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Autism diagnosis in children less than 3 years old
Multiple studies show that the diagnosis of autism when made in younger
children IS stable over time.
• Cox, et. al 1999 J. Child Psychol Psychiatry 1999 Jul;40(5):719-32
• Stone 1999 J. Child Psychol Psychiatry 1999 Feb;40(2):219-26
• Lord 2006 Arch Gen Psychiatry 2006 June;63(6):694-701
• Chawarska 2007 J. Child Psychol Psychiatry 2007 Feb;48(2):128-38
• Stone 2007 J. Child Psychol Psychiatry 2007 Aug;48(8):793-802
• Kleinman 2008 J. Autism Dev Disorders 2008 April;38(4):606-15
• Ozonoff, et al 2014 J Am Acad Child Adolesc Psychiatry 2014 April; 53
(4):398-407
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Historical Perspective
Not far removed from an “untreatable” era
Rutter (1970):
<2% functioning “normally”
60% requiring institutional placement/support
Lovaas (1987): UCLA Young Autism Project
Intensive ABA = 9 / 19 (47%) “recovered” or “normal functioning”
A breakthrough with major methodological concerns
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Treatments and Therapies78,300,000 results (0.08 seconds)
Auditory Integration
Sensory Integration
ABA
Discrete Trial Training
Lovaas/UCLA Intervention
Early Start Denver Model
Holding Therapy
Dolphin Assisted Therapy
Facilitated Communication
Augmentative Communication
Vision Therapy
Vitamins
Hyperbaric Oxygen
Psychopharmacological treatments
Floortime
Music Therapy
Social Skills Training
Incidental Teaching
TEACCH
PECS
Pivotal Response Therapy
Son-Rise
RDI
Chelation
Diets
Drugs
Supplements
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Evidence-Based Interventions*
Antecedent-Based Interventions (ABI)
Computer-Aided Instruction
Differential Reinforcement
Discrete Trial Training
Extinction
Functional Behavior Assessment
Functional Communication Training
Naturalistic Intervention
Parent-Implemented Intervention
Peer-Mediated Instruction and
Intervention
Social Skills Groups
Speech Generating Devices/VOCA
Redirection - Self-Management
Redirection - Social Narratives
Picture Exchange Communication System
(PECS)
Pivotal Response Training
Prompting
Reinforcement
Response Interruption/
Structured Work Systems
Task Analysis
Time Delay
Video Modeling
Visual Supports
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Applied Behavior Analysis (ABA)
Baer, Wolf, & Risley (1968)
APPLIED - strives to produce rapid and clear benefit to problems of social importance;
BEHAVIORAL - uses objective and accurate measurement of the behavior of interest;
ANALYSIS - uses controlled (single-case) methods to understand the environmental variable(s) that influence an individual’s behavior.
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Comportamentismo
Analisi del Comportamento
Analisi del Comportamento Applicata
Ergonomia
Organizzazioni ClinicaSviluppo
Job Management,
etc…
OBM Performance
Management, etc…
ACT Acceptance
Commitent and
Terapy
Tipico
Atipico
Educazione:
Istructional Design
and Technology
Educazione Speciale:
ABA Autism, ABA
Mental Retardation
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COMPORTAMENTISMO
ANALISI
SPERIMENTALE (BA)
ANALISI
APPLICATA (ABA)
Discrete Trial Teaching
Insegnamento Incidentale
Verbal Behaviour
Precision Teaching
Pivotal Response
Training
(PRT)
Natural Enviroment
Teaching (NET)
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Intervento Evidenze di
Efficacia
Presumibilmente
EfficaceNon dimostrata
Efficacia
ABA/DTT X
ABA/NET X
PRT X
DENVER X
TEACCH X
DIR X
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R
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ABA/VB, ESDM, PRT
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Grazie per l’AttenzioneAmarti…
È quando piove forte e guardi
il mare vedi gli opposti
dell’amore e nel mezzo lì
trovo te che sei già parte di
me se e solo se questo è
amare…
È quando il vento ti spinge
altrove sento un impulso ad
andare avanti per ore e ad
ogni costo andrò verso di te
se quello che ho sei solo tu
senza ragione.