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ERIC Number: EJ1003382
Record Type: Journal
Publication Date: 2013-Jan
Pages: 9
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0891-4222
Cognitive Phenotype of Mathematical Learning Disabilities: What Can We Learn from Siblings?
Desoete, Annemie; Praet, Magda; Titeca, Daisy; Ceulemans, Annelies
Research in Developmental Disabilities: A Multidisciplinary Journal, v34 n1 p404-412 Jan 2013
The sensitivity of number sense as cognitive phenotype for mathematical learning disabilities (MLD) was assessed in siblings of children with MLD (n = 9) and age matched children without family members with MLD (n = 63). A number line estimation paradigm was used as a measure of children's early number sense. In line with the triple code model of Dehaene (1992), three different presentation formats were presented. The results of the study confirmed that number line estimation was related to early arithmetic achievement in kindergarten. In addition siblings were less proficient in number line placements compared to non-siblings, with a larger effect size for symbolic and especially number word estimation compared to the non-symbolic results. Siblings also differed from non-siblings on procedural and conceptual counting skills and logical thinking in kindergarten. Moreover MLD had a familial aggregation, since about three out of five sibling girls had clinical scores on an Early Numeracy Test in kindergarten, pointing to a risk to develop MLD themselves. Implications of the study to our understanding of MLD are discussed. (Contains 5 tables and 1 figure.)
Elsevier. 3251 Riverport Lane, Maryland Heights, MO 63043. Tel: 800-325-4177; Tel: 314-447-8000; Fax: 314-447-8033; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: Early Childhood Education; Elementary Education; Kindergarten
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A