Narrative comprehension and production abilities of children with 22q11.2 deletion syndrome.
Kids with 22q11DS can talk a good story but still fail to grasp it—so test comprehension apart from IQ or expressive scores.
01Research in Context
What this study did
The team tested the kids with 22q11.2 deletion syndrome. All were 6-12 years old. Each child was matched to a typically developing peer with the same mental age.
Kids listened to a short story and then answered questions. They also told their own story from a wordless picture book. The goal was to see if 22q11DS affects story understanding, story telling, or both.
What they found
Children with 22q11DS scored far lower on story comprehension. The gap stayed large even after controlling for IQ.
Surprise: when they told their own stories, the 22q11DS group looked just like their mental-age peers. Production stayed intact; comprehension did not.
How this fits with other research
López-Riobóo et al. (2019) saw the same split in young adults with Down syndrome. Auditory language lagged behind visual skills, echoing the comprehension-production gap Iris found.
Broc et al. (2013) seems to disagree at first. Kids with specific language impairment spelled words better in personal stories than in dictation, hinting that narrative context helps production. The key difference: Lucie measured spelling, not understanding. The tasks tap different language layers, so both findings can stand.
Vugs et al. (2014) and Kalliontzi et al. (2022) add a wrinkle. They show that working memory and executive function holes travel with language disorders. Weak comprehension in 22q11DS may stem from those domain-general deficits, not vocabulary size alone.
Why it matters
For BCBAs, the message is simple: check story understanding separately from story telling. A child who can spin a long tale may still miss cause-effect links. Build comprehension drills—question maps, picture sequencing, retell checks—into your plan even when expressive scores look fine.
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Join Free →After any story-based lesson, ask three wh- questions on cause-effect and score the first response—if below 2/3 correct, add visual story maps and daily comprehension probes.
02At a glance
03Original abstract
BACKGROUND: The 22q11.2 Deletion Syndrome (22q11DS) is associated with language deficits and weak intellectual functioning. In other clinical groups, linguistic and cognitive difficulties have been associated with impaired acquisition of narrative abilities. However, little is known about the narrative abilities of children with 22q11DS. AIMS: To describe the ability of children with 22q11DS to produce and comprehend narrative macrostructure. Additionally, to examine the role of intellectual functioning in explaining their narrative difficulties. METHODS AND PROCEDURES: Narrative skills of 14 school-aged children with 22q11DS were compared to those of younger typically developing (TD) children matched on mental age and same-aged peers with Developmental Language Disorder (DLD). OUTCOMES AND RESULTS: Children with 22q11DS had significantly lower scores on narrative comprehension than younger TD children. No significant differences emerged on narrative production. Children with 22q11DS and children with DLD did not differ significantly on any of the narrative measures. CONCLUSIONS AND IMPLICATIONS: Narrative comprehension in children with 22q11DS seems more affected than production. Narrative comprehension difficulties cannot be entirely explained by a low level of intellectual functioning. Narrative comprehension and production abilities in 22q11DS require further consideration.
Research in developmental disabilities, 2021 · doi:10.1016/j.ridd.2021.104109