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Emotional Lexicon in Down Syndrome
Christelle Declercq1, Régis Pochon1
1Christelle Declercq and Régis Pochon, C2S Laboratory (Cognition, Health, Society), University of Reims Champagne-Ardenne, Reims, France.
American Journal on Intellectual and Developmental Disabilities
|September 19, 2022
Summary
Individuals with Down syndrome (DS) show no specific deficit in understanding emotional words. Enhancing their general vocabulary may improve comprehension of abstract and emotional language.
Area of Science:
- Linguistics
- Developmental Psychology
- Genetics
Background:
- Individuals with Down syndrome (DS) often exhibit language and cognitive challenges.
- The comprehension of emotional, abstract, and concrete words may be differentially affected.
Purpose of the Study:
- To investigate whether individuals with DS have a specific deficit in comprehending emotion words compared to concrete/abstract words.
- To examine predictors of word comprehension development in DS and typically developing (TD) children.
Main Methods:
- Study 1: Compared word comprehension (emotion vs. concrete/abstract) between 26 children with DS and 26 TD children matched on verbal ability.
- Study 2: Assessed chronological age (CA) and (non)verbal abilities as predictors of word comprehension trajectories in 36 children with DS and 143 TD children.
Main Results:
- Study 1 found no significant difference in emotion word comprehension between groups.
- In TD children, CA and (non)verbal abilities predicted comprehension of all word types.
- In children with DS, receptive vocabulary predicted all word types, while CA and nonverbal reasoning only predicted concrete word comprehension.
Conclusions:
- The findings suggest that individuals with DS do not have a specific emotional lexicon deficit.
- Supporting the general lexical development in DS may enhance their ability to comprehend abstract and emotional meanings.
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