Exploring the brain and behavior of children who struggle with math
Some children have a condition that causes them to persistently struggle with math problem-solving (developmental dyscalculia), yet behavioral and mechanistic details about this condition are lacking.
A new study in JNeurosci reveals that children aged 8-10 with developmental dyscalculia exhibit less efficient problem-solving strategies, slower strategy-switching, reduced sensitivity to problem difficulty, and limited improvement in selecting optimal approaches. Researchers at Stanford University compared 68 children in this cohort and discovered that those with developmental dyscalculia took longer to transition between problem-solving methods and showed decreased adaptability in choosing the most effective strategies over time.
Brain activity differed between children with developmental dyscalculia and their more proficient peers, providing a potential predictor for counting abilities and the ability to switch between math strategies. This research suggests that persistent childhood struggles with problem-solving and attention control may contribute to the onset of developmental dyscalculia, highlighting the presence of altered brain activity that drives these characteristic behaviors.
The study emphasizes the individual variability observed in dyscalculia, underscoring the disorder's roots in cognitive and neural dysfunction across multiple processes.
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