Reference : Relationships between number and space processing in adults with and without dyscalculia
Scientific journals : Article
Social & behavioral sciences, psychology : Neurosciences & behavior
Social & behavioral sciences, psychology : Theoretical & cognitive psychology
http://hdl.handle.net/10993/13190
Relationships between number and space processing in adults with and without dyscalculia
English
Mussolin, Christophe []
Martin, Romain mailto [University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Educational Measurement and Applied Cognitive Science (EMACS) >]
Schiltz, Christine mailto [University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Educational Measurement and Applied Cognitive Science (EMACS) >]
Jul-2011
Acta Psychologica
Elsevier Science
138
193-203
Yes (verified by ORBilu)
0001-6918
Amsterdam
The Netherlands
[en] number ; space ; dyscalculia
[en] A large body of evidence indicates clear relationships between number and space processing in healthy and brain-damaged adults, as well as in children. The present paper addressed this issue regarding atypical math development. Adults with a diagnosis of dyscalculia (DYS) during childhood were compared to adults with average or high abilities in mathematics across two bisection tasks. Participants were presented with Arabic number triplets and had to judge either the number magnitude or the spatial location of the middle number relative to the two outer numbers. For the numerical judgment, adults with DYS were slower than both groups of control peers. They were also more strongly affected by the factors related to number magnitude such as the range of the triplets or the distance between the middle number and the real arithmetical mean. By contrast, adults with DYS were as accurate and fast as adults who never experienced math disability when they had to make a spatial judgment. Moreover, number–space congruency affected performance similarly in the three experimental groups. These findings support the hypothesis of a deficit of number magnitude representation in DYS with a relative preservation of some spatial mechanisms in DYS. Results are discussed in terms of direct and indirect number–space interactions.
http://hdl.handle.net/10993/13190
10.1016/j.actpsy.2011.06.004

File(s) associated to this reference

Fulltext file(s):

FileCommentaryVersionSizeAccess
Limited access
MussolinMartinSchiltz_ActaPsy_11_(NberSpaceDys).pdfPublisher postprint443.77 kBRequest a copy

Bookmark and Share SFX Query

All documents in ORBilu are protected by a user license.