Article (Scientific journals)
Procedural learning in specific language impairment: effects of sequence complexity
Gabriel, Audrey; Maillart, Christelle; Stefaniak, Nicolas et al.
2012In Journal of the International Neuropsychological Society
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Keywords :
Language Development Disorders; Reaction time task; Serial Learning
Abstract :
[en] According to the procedural deficit hypothesis (PDH), abnormal development in the procedural memory system could account for the language deficits observed in specific language impairment (SLI). Recent studies have supported this hypothesis by using a serial reaction time (SRT) task, during which a slower learning rate is observed in children with SLI compared to controls. Recently, we obtained contrasting results, demonstrating that children with SLI were able to learn a sequence as quickly and as accurately as controls. These discrepancies could be related to differences in the statistical structure of the SRT sequence between these studies. The aim of this study was to further assess, in a group of 21 children with SLI, the PDH with second-order conditional sequences, which are more difficult to learn than those used in previous studies. Our results show that children with SLI had impaired procedural memory, as evidenced by both longer reaction times and no sign of sequence-specific learning in comparison with typically developing controls. These results are consistent with the PDH proposed by Ullman and Pierpont (2005) and suggest that procedural sequence-learning in SLI children depends on the complexity of the to-be-learned sequence.
Disciplines :
Theoretical & cognitive psychology
Author, co-author :
Gabriel, Audrey ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Logopédie clinique
Maillart, Christelle  ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Logopédie clinique
Stefaniak, Nicolas ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Neuropsychologie
Lejeune, Caroline ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Neuropsychologie
desmotte, Lise
Meulemans, Thierry ;  Université de Liège - ULiège > Services généraux (Fac. de psycho. et des sc. de l'éducat.) > Doyen de la Faculté de Psychologie et des sc. de l'éducation
Language :
English
Title :
Procedural learning in specific language impairment: effects of sequence complexity
Publication date :
2012
Journal title :
Journal of the International Neuropsychological Society
ISSN :
1355-6177
eISSN :
1469-7661
Publisher :
Cambridge University Press, Cambridge, United Kingdom
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 May 2013

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