Gray matter reduction in the fusiform gyrus in Spanish children with dyslexia
Metadatos
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Metadatos
Título
Gray matter reduction in the fusiform gyrus in Spanish children with dyslexiaAutoría
Tutor/Supervisor
Ávila Rivera, CésarTutor/Supervisor; Universidad.Departamento
Universitat Jaume I. Departament de Psicologia Bàsica, Clínica i PsicobiologiaFecha de publicación
2016-09-22Editor
Universitat Jaume IResumen
Voxel-based morphometry studies have reported reduced gray matter volume in
temporal areas (fusiform gyrus) and cerebellum in children with developmental
dyslexia compared to healthy controls. These areas with less ... [+]
Voxel-based morphometry studies have reported reduced gray matter volume in
temporal areas (fusiform gyrus) and cerebellum in children with developmental
dyslexia compared to healthy controls. These areas with less gray matter volume have
been linked to reading skills impairments, as these areas are related to reading
automaticity and word recognition. However, most of the patients in these studies
were speakers of languages with a deep orthography. The current study used 25
Spanish children (age range 9-14 years; mean age= 12.05 years; 12 healthy controls
and 13 dyslexic children).VBM was employed to determine the differences between
the dyslexic and healthy control groups, and the children performed different
phonological tasks to determine their scores on reading skills. Voxel-based
morphometry revealed significantly reduced gray matter volume in the fusiform gyrus
(left) and cerebellum in dyslexic children compared to the healthy control group. In
addition, when we correlated the scores on the phonological task with the gray matter
volume, the dyslexic children mainly showed less gray matter volume in the fusiform
gyrus on word reading time and pseudoword reading time tasks, and less GMV in the
thalamus on the verbal fluency (FAS-F) task. Results are consistent with the idea that
reading problems in languages with a shallow orthography are related to dysfunctions
in the fusiform area. [-]
Palabras clave / Materias
Màster Universitari en Investigació en Cervell i Conducta | Máster universitario en Investigación en Cerebro y Conducta | Master's Degree in Research on the Brain and Behaviour | Sistema nervioso central | Dislexia | Lóbulo temporal | Dificultades en la lectura | Central nervous system | Dyslexia | Reading disability | Temporal lobes
Descripción
Treball Final de Màster Universitari en Investigació en Cervell i Conducta. Codi: SBM024. Curs: 2015/2016
Tipo de documento
info:eu-repo/semantics/masterThesisDerechos de acceso
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