Different Plasticity Patterns of Language Function in Children With Perinatal and Childhood Stroke-Reference-Cited by-同舟云学术

Different Plasticity Patterns of Language Function in Children With Perinatal and Childhood Stroke

Published:2013-06-06 Issue:6 Volume:29 Page:756-764
ISSN:0883-0738
Container-title:Journal of Child Neurology
language:en
Short-container-title:J Child Neurol

Author:

Ilves Pilvi¹,Tomberg Tiiu²,Kepler Joosep³,Laugesaar Rael⁴,Kaldoja Mari-Liis⁵,Kepler Kalle⁵,Kolk Anneli⁴

Affiliation:

1. Radiology Clinic of Tartu University Hospital, Department of Radiology, University of Tartu, Tartu, Estonia

2. Radiology Clinic of Tartu University Hospital and Department of Neurology and Neurosurgery, University of Tartu, Tartu, Estonia

3. Diagnostic Service, Pärnu Hospital, Pärnu, Estonia

4. Department of Neurology and Neurorehabilitation, University of Tartu and Children’s Clinic of Tartu University Hospital, Tartu, Estonia

5. Institute of Physics, University of Tartu, Tartu, Estonia

Abstract

Plasticity of language function after brain damage can depend on maturation of the brain. Children with left-hemisphere perinatal (n = 7) or childhood stroke (n = 5) and 12 controls were investigated using functional magnetic resonance imaging. The verb generation and the sentence comprehension tasks were employed to activate the expressive and receptive language areas, respectively. Weighted laterality indices were calculated and correlated with results assessed by neuropsychological test battery. Compared to controls, children with childhood stroke showed significantly lower mean scores for the expressive ( P < .05) and receptive ( P = .05) language tests. On functional magnetic resonance imaging they showed left-side cortical activation, as did controls. Perinatal stroke patients showed atypical right-side or bilateral language lateralization during both tasks. Negative correlation for stroke patients was found between scores for expressive language tests and laterality index during the verb generation task. (Re)organization of language function differs in children with perinatal and childhood stroke and correlates with neurocognitive performance.

Publisher

SAGE Publications

Subject

Neurology (clinical),Pediatrics, Perinatology and Child Health

Link

http://journals.sagepub.com/doi/pdf/10.1177/0883073813489350

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