Language profile of children from a quilombola community.
Talita Trigueiro Domingos, Antonélia Barros de Carvalho, Ana Manhani Cáceres-Assenço
PMID 34932656WHAT IT FOUND
Quilombola preschoolers showed adequate vocabulary but impaired phonology and verbal short-term memory.
Most five-year-olds retained phonological processes beyond expected ages, and none performed adequately on memory tasks. Functional communication was preserved, but school readiness risks were identified.
Key findings
01Most preschoolers showed adequate performance in vocabulary and narrative, but impaired phonology and verbal short-term memory.
02All five-year-olds in the sample had altered phonological performance and below-expectation verbal short-term memory.
03No significant differences were found between language performance and family practices related to schoolwork or reading.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
Small sample size of 24 children limits generalizability and statistical power. Cross-sectional design with a single assessment prevents tracking of language development over time. The assessment tools used may not be validated for this specific cultural and socioeconomic population, potentially masking minor damages or misinterpreting cultural variations as impairments. Family practice data relied on parent self-report, which may be subject to recall bias.
Declared interests
The study was financed in part by CAPES (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior), a Brazilian government agency. No commercial conflicts of interest were declared.
The easy way to misread this
Do not assume these children have a developmental language disorder solely based on test scores. The authors note that the assessment tools may not be sensitive or adequate to the local reality, meaning cultural differences in language use could be misinterpreted as impairment.