Dissociating the semantic function of two neighbouring subregions in the left lateral anterior temporal lobe
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Otros documentos de la autoría: Sanjuán Tomás, Ana; Hope, Thomas M.H.; Parker Jones, 'Ōiwi; Prejawa, Susan; Oberhuber, Marion; Guerin, Julie; Seghier, Mohamed L.; Green, David W.; Price, Cathy J.
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Título
Dissociating the semantic function of two neighbouring subregions in the left lateral anterior temporal lobeAutoría
Fecha de publicación
2015Editor
ElsevierCita bibliográfica
SANJUÁN, Ana, et al. Dissociating the semantic function of two neighbouring subregions in the left lateral anterior temporal lobe. Neuropsychologia, 2015, vol. 76, p. 153-162.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S0028393214004588Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
We used fMRI in 35 healthy participants to investigate how two neighbouring subregions in the lateral anterior temporal lobe (LATL) contribute to semantic matching and object naming. Four different levels of processing ... [+]
We used fMRI in 35 healthy participants to investigate how two neighbouring subregions in the lateral anterior temporal lobe (LATL) contribute to semantic matching and object naming. Four different levels of processing were considered: (A) recognition of the object concepts; (B) search for semantic associations related to object stimuli; (C) retrieval of semantic concepts of interest; and (D) retrieval of stimulus specific concepts as required for naming. During semantic association matching on picture stimuli or heard object names, we found that activation in both subregions was higher when the objects were semantically related (mug–kettle) than unrelated (car–teapot). This is consistent with both LATL subregions playing a role in (C), the successful retrieval of amodal semantic concepts. In addition, one subregion was more activated for object naming than matching semantically related objects, consistent with (D), the retrieval of a specific concept for naming. We discuss the implications of these novel findings for cognitive models of semantic processing and left anterior temporal lobe function. [-]
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Neuropsychologia, 2015, vol. 76Derechos de acceso
info:eu-repo/semantics/openAccess
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