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Brain regions that support accurate speech production after damage to Broca’s area
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In: Brain Commun (2021)
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Right hemisphere structural adaptation and changing language skills years after left hemisphere stroke
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Dissociating the semantic function of two neighbouring subregions in the left lateral anterior temporal lobe
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Sanjuán, Ana; Hope, Thomas M.H.; Parker Jones, 'Ōiwi; Prejawa, Susan; Oberhuber, Marion; Guerin, Julie; Seghier, Mohamed L.; Green, David W.; Price, Cathy J.. - : Pergamon Press, 2015
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Abstract:
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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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4582806/ https://doi.org/10.1016/j.neuropsychologia.2014.12.004 http://www.ncbi.nlm.nih.gov/pubmed/25496810
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Dissecting the functional anatomy of auditory word repetition
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Sensory-to-motor integration during auditory repetition: a combined fMRI and lesion study
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