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[Learning difficulties in mathematics in children with attention deficit hyperactivity disorder].
A Miranda-Casas1, A Meliá-de Alba, R Marco-Taverner
1Departamento de Psicología Evolutiva y de la Educación, Universidad de Valencia, España. ana.miranda@uv.es
Revista De Neurologia
|March 24, 2006
Summary
Children with ADHD and learning difficulties show attention and working memory deficits. Specific deficits in temporal-visual-spatial recall are seen in learning difficulties, while ADHD impacts inhibitory control.
Area of Science:
- Neuroscience
- Developmental Psychology
- Educational Psychology
Background:
- Attention deficit hyperactivity disorder (ADHD) and learning difficulties (DLM) co-occur in 25-35% of cases.
- Executive functioning (EF) deficits are a proposed explanation for this overlap.
- Understanding these co-occurring conditions is crucial due to their significant social impact.
Purpose of the Study:
- Compare executive functioning (EF) and applied mathematical knowledge in children with ADHD, DLM, or ADHD + DLM.
- Identify specific cognitive deficiencies in each group.
- Test the phenotype hypothesis for the ADHD + DLM condition.
Main Methods:
- Quasi-experimental 2x2 design with 78 children (6-13 years old).
- Four groups: ADHD, DLM, ADHD + DLM, and a control group.
- Administered tests for inhibitory control, working memory, short-term memory, attention, calculation speed, and applied mathematical problems.
Main Results:
- Children with ADHD, DLM, or ADHD + DLM exhibited deficits in attention and working memory.
- The DLM group showed a unique deficit in temporal-visual-spatial information recall.
- Deficits in inhibitory control were specific to the ADHD group.
Conclusions:
- The study did not support the phenotype hypothesis for ADHD + DLM; an accumulative profile was observed.
- Cognitive deficits in attention and working memory are common across ADHD and DLM.
- Specific executive function impairments differentiate ADHD and DLM.