Autism Flashcards
ASD
• Life-long neurodevelopmental disorder
• Characterised by –
• Difficulties with social interaction and communication
• Restricted and repetitive behaviour and interests
• First described by Kanner in 1943 and Asperger in 1944
• Describes children with a wide range of symptoms,
cognitive abilities, and adaptive functioning
prevalence
Now considered a high prevalence disorder
• Current estimates are 1 in 68
• Much debate about whether this increase reflects an Autism Epidemic –
• Broadening of the diagnostic criteria
Gender differences
•Much more prevalent in males (4:1) • Lack of recognition of ASD in girls • Significant genetic contribution •Only about 10% of cases are associated with a known genetic cause • Strong genetic component • Broader autism phenotype
Social communication difficulties
- Difficulty developing relationships
- Difficulty engaging in shared play/conversation
- Difficulty knowing what others are thinking and feeling
- Theory of Mind -capacity to understand other people by ascribing mental states to them.
- Social Thinking - helping kids figure out how to think in social situations
- Underlies much of the difficulty that children experience
Little kids social difficulties
- Independent play
- Difficulty playing cooperatively
- Limited sharing and showing (joint attention) - usually pre-verbal, toddlers can point at something and look to parent.
- Difficulty responding appropriately to emotions of others
- Difficulty with conversations
- Difficulty reading and using non verbal communication
- Literal interpretation of language
- Failure to develop appropriate friendships
Age related shifts
What we expect socially depends on their age. E.g. girls struggle when their friends stop playing in the playground and instead start sitting and talking. often we observe a lot of social issues in grade 3 - this is when we form into groups and manage group interactions.
Examples of repetitive behaviour
Being very upset by changes in routine (i have to have the blue bowl, the TV has to be on while I’m eating dinner)
Repetitive motor movements
Repetitive actions with objects
Insistence on non-functional routines
Narrow range of interests followed in an obsessional manner
repetitive behaviour
Preference for sameness (Kanner)
Need to think about frequency of repetitive behaviour - how much time are they spending on it?
What is it like when they have to stop?
Extent to which others are included - e.g. parent reading the child a book. Do you love it because of the connection it gives you?
Assessment
Assessments should be multidisciplinary, with clinicians consulting in order to reach a diagnosis
Paediatrician – physical examination, genetic testing, additional investigations
Speech Therapist – receptive and expressive language, pragmatic (social) language
Psychologist – developmental level, cognitive skills, mental health concerns
- Require experience and understanding of -
- Autism Spectrum Disorders
- A broad range of other developmental disabilities (language disorder, ID, etc.)
- Typical development
- Mental health in children and adolescents
Parts of a diagnostic assessment
- An (autism specific) developmental history
- Developmental/cognitive and speech and language assessment
- Clinical observations of the child
- Play, social skills, repetitive behaviours
- Assessment of current functioning
- Report from school
Screening tools kids
- Modified Checklist for Autism in Toddlers (M-CHAT)
- http://www.autismresearchcentre.com/arc_tests
- Childhood Autism Rating Scale (CARS 2)
- Social Responsiveness Scale (SRS 2)
Assessment tools
Autism Diagnostic Interview (ADIR)
• Autism Diagnostic Observation Schedule (ADOS 2)
• Monteiro Interview Guidelines for Diagnosing the Autism Spectrum (MIGDAS-2)
• Diagnostic Interview for Social and Communication Disorders (DISCO)
Need a very good knowledge of normal development - questions in ADOS for example ‘what is it to be a friend’, need to know a reasonable response for a 10 year old.
Screening with Adults
- Adult Autism Quotient (Baron Cohen et al., 2008)
- also Adult Aspergers Assessment (AAA)
- Both can be downloaded from -
- http://www.autismresearchcentre.com/arc_tests
• All of these instruments vary in their usefulness
• “The use of such instruments supplement, but does not
replace, informed clinical judgment”, (Volkmar et al. 2014)
ASD and Mental Health Difficulties
Up to 70% of children and adolescents with ASD have comorbid mental health problems. A large percentage use mental health services
“The developmental assessment of young children and the psychiatric assessment of all children should routinely include questions about ASD symptomology”. (Volkmar et al., 2014).
Why are MH comorbidities so high?
- Poor understanding of social world
- Difficulty understanding thoughts – own and others
- Difficulty regulating emotions
- Strong preference for sameness
- Changes in routine
- Language difficulties
- Learning difficulties
- Sensory processing difficulties