Week 2: Triad Of Impairments Flashcards
What are the triad of impairments?
Social communication
Communication impairments
Repetitive activities
What is believed to be the fundamental deficit of autism?
Social impairment
What are the four subtypes of social impairments?
1) aloof
2) passive
3) active but odd
4) over formal/stilted
At what age do we first show a social smile? (DeCasper and Frith (1980).
6 weeks
Describe Meltzoff and Moore’s, (1977) study.
- imitation of neonate
- imitation between 12-21 days
- imitation accomplished by an active matching process
What is joint attention?
A form of triadic interaction
Sharing of attention towards an object with a social partner
Describe the process of joint attention in TD children
0-3 months:
Dyadic interaction
3-6 months:
Interest in objects
Turn-taking
6-10 months:
Respond to joint attention of others
12-18 months:
Triadic, joint attention
Describe Mundy and Newell’s (2007) study.
• infants from 6-14months and their ability too:
- respond and initiate joint attention
• found that gaze direction can be found in 1st year of life
Describe Leekam, et al’s. (2000) study.
• ASD have difficulties in dyadic and triadic levels
- reduced response to joint attention, a, and initiation
• specific developmental delay in children who use object presence to guide attention
What are the subcategories of social impairment?
- failure to use non-verbal behaviours
- failure to develop peer relationships
- lack of socio-emotional reciprocity
- lack of shared enjoyment
What are the subcategories of communication impairment?
- stereotyped, repetitive behaviours
* lack of make believe play
Describe Turner, et al’s. (1999) study into RRBs.
• higher level - emerges later in development
- requires a certain level of ability
• lower level - not specific to ASD
- can be found in other developmental disorders
• 86% have circumscribed interests
• insistence on sameness: 82% with ID, 42% without ID
• ritualistic behaviour: 29% with ID, and 68% without ID
What did Gesell, (1928) say about RRBs in TD?
Between 2 and 4 yrs is the norm for the development of compulsive behaviour
Describe Evans, et al’s. (1997) study.
- 2-4 yrs engage in compulsive behaviour more than other ages
- 75% of 24-35, 36-47 show compulsions
Describe Arnott, et al’s. (2010) 4 subtypes of RRBs.
1) preoccupation with circumscribed interests
2) non-functional routines
3) motor mannerisms
4) preoccupation with part of an object