Challenges in skill acquisition and memory retention in children with developmental language disorder.
Carmit Altman, Nehama Shaya, Roni Berke and 1 others
PMID 40167477WHAT IT FOUND
Children with DLD showed slower motor skill performance 4 hours after training and poorer memory for object locations 2 weeks later compared to peers.
Procedural speed correlated with grammar and vocabulary in typical development, but not in DLD.
Key findings
01Children with DLD exhibited a significant decrease in declarative memory performance from 4 hours to 2 weeks post-training, unlike their typically developing peers.
02While typically developing children improved motor task speed between post-training and 4 hours, children with DLD slowed down, indicating atypical procedural memory consolidation.
03Procedural memory performance correlated with grammatical and lexical skills in typically developing children, but no such associations were found in children with DLD.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The sample size was small (53 children total). All participants performed the procedural task first and the declarative task two weeks later, so order effects cannot be ruled out. The study focused on a narrow age range (5-6 years) and a specific language (Hebrew), limiting generalizability. The procedural task involved many repetitions, which may have influenced performance speeds, particularly at the 4-hour mark.
Declared interests
The authors declare no conflicts of interest.
The easy way to misread this
Do not interpret the 4-hour slowing in motor tasks as a lack of attention or effort. The study indicates this is a specific deficit in procedural memory consolidation that occurs without sleep involvement, distinct from general inattention.