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Lesions that do or do not impair digit span: a study of 816 stroke survivors
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In: Brain Commun (2021)
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Damage to Broca’s area does not contribute to long-term speech production outcome after stroke
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In: Brain (2021)
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A Data-Based Approach for Selecting Pre- and Intra-Operative Language Mapping Tasks
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In: Front Neurosci (2021)
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Abstract:
Background: Pre- and intra-operative language mapping in neurosurgery patients frequently involves an object naming task. The choice of the optimal object naming paradigm remains challenging due to lack of normative data and standardization in mapping practices. The aim of this study was to identify object naming paradigms that robustly and consistently activate classical language regions and could therefore be used to improve the sensitivity of language mapping in brain tumor and epilepsy patients. Methods: Functional magnetic resonance imaging (fMRI) data from two independent groups of healthy controls (total = 79) were used to generate threshold-weighted voxel-based consistency maps. This novel approach allowed us to compare inter-subject consistency of activation for naming single objects in the visual and auditory modality and naming two objects in a phrase or a sentence. Results: We found that the consistency of activation in language regions was greater for naming two objects per picture than one object per picture, even when controlling for the number of names produced in 5 s. Conclusion: More consistent activation in language areas for naming two objects compared to one object suggests that two-object naming tasks may be more suitable for delimiting language eloquent regions with pre- and intra-operative language testing. More broadly, we propose that the functional specificity of brain mapping paradigms for a whole range of different linguistic and non-linguistic functions could be enhanced by referring to databased models of inter-subject consistency and variability in typical and atypical brain responses.
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Keyword:
Neuroscience
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8656425/ https://doi.org/10.3389/fnins.2021.743402
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Right hemisphere structural adaptation and changing language skills years after left hemisphere stroke
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Language Control and Lexical Competition in Bilinguals: An Event-Related fMRI Study
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Dissociating the semantic function of two neighbouring subregions in the left lateral anterior temporal lobe
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A Trade-Off between Somatosensory and Auditory Related Brain Activity during Object Naming But Not Reading
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Comparing language outcomes in monolingual and bilingual stroke patients
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Inter- and Intrahemispheric Connectivity Differences When Reading Japanese Kanji and Hiragana
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Dissecting the functional anatomy of auditory word repetition
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The Importance of Premotor Cortex for Supporting Speech Production after Left Capsular-Putaminal Damage
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Sensory-to-motor integration during auditory repetition: a combined fMRI and lesion study
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The Angular Gyrus: Multiple Functions and Multiple Subdivisions
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Inter- and Intrahemispheric Connectivity Differences When Reading Japanese Kanji and Hiragana
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Inter- and Intrahemispheric Connectivity Differences When Reading Japanese Kanji and Hiragana
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Auditory–motor interactions for the production of native and non-native speech
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Where, When and Why Brain Activation Differs for Bilinguals and Monolinguals during Picture Naming and Reading Aloud
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Where, When and Why Brain Activation Differs for Bilinguals and Monolinguals during Picture Naming and Reading Aloud
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