2020
DOI: 10.1038/s41598-020-72228-8
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Information content best characterises the hemispheric selectivity of the inferior parietal lobe: a meta-analysis

Abstract: Our understanding of the inferior parietal lobe (IPL) remains challenged by inconsistencies between neuroimaging and neuropsychological perspectives. To date, others assume that hemispheric specialisation of the IPL is linked with the type of processing; attention processing in the right hemisphere; memory retrieval and semantic judgement in the left hemisphere. Here, we provide compelling evidence associating the type of information being processed with the recruitment of each hemisphere’s IPL. In a meta-anal… Show more

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Cited by 7 publications
(6 citation statements)
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References 60 publications
(106 reference statements)
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“…As described, the IPL upregulates activity in the spatially specific dorsal attention network ( Corbetta & Shulman, 2011 ; Hillis et al, 2005 ; Thiebaut de Schotten et al, 2011 ). As a result, our findings could reflect the tight link between semantic processing and the left IPL ( Gray et al, 2020 ; Humphreys & Lambon Ralph, 2015 ; Seghier, 2013 ; Seghier et al, 2010 ; Vigneau et al, 2006 ) that disproportionately increases left FPA network activity and biases the allocation of attention to the right side of visual space. This mechanism should be further explored using neuroimaging and neurostimulatory investigations.…”
Section: General Discussion and Concluding Remarksmentioning
confidence: 86%
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“…As described, the IPL upregulates activity in the spatially specific dorsal attention network ( Corbetta & Shulman, 2011 ; Hillis et al, 2005 ; Thiebaut de Schotten et al, 2011 ). As a result, our findings could reflect the tight link between semantic processing and the left IPL ( Gray et al, 2020 ; Humphreys & Lambon Ralph, 2015 ; Seghier, 2013 ; Seghier et al, 2010 ; Vigneau et al, 2006 ) that disproportionately increases left FPA network activity and biases the allocation of attention to the right side of visual space. This mechanism should be further explored using neuroimaging and neurostimulatory investigations.…”
Section: General Discussion and Concluding Remarksmentioning
confidence: 86%
“…Our interactions with them are both more frequent and varied than those we have with more abstract shapes or lines. Like words, the semantic processing of objects (e.g., labeling them, categorizing them, retrieving related information from memory) has often been associated with IPL activity lateralised to the left hemisphere ( Devereux et al, 2013 ; Gray et al, 2020 ; Vigneau et al, 2006 ). Experiments 1 and 2 explore how spatial attention interacts with the semantic processing of objects.…”
Section: Interim Discussion—experiments 1 Andmentioning
confidence: 99%
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“…The IPL participates in emotional expression and is related to happiness (Schmidt et al, 2020 ). The angular gyrus is both a node of the DMN and a subregion of the inferior parietal lobule (Gray et al, 2020 ). The supramarginal gyrus processes external/perceptual information, whereas the angular gyrus processes internal/conceptual information (Rubinstein et al, 2021 ).…”
Section: Discussionmentioning
confidence: 99%
“…Yet a third interpretation of the observed activity differences is related to semantic memory. Left lateralized brain activity in especially IFG and AG is identified as key for semantic memory processing and conceptual representations (Binder & Desai, 2011;Gray, Fry, & Montaldi, 2020;Martin & Chao, 2001). Even though mathematical reasoning is likely to recruit brain regions unique to mathematical content (Amalric & Dehaene, 2016, left AG has been found to be co-activated with lateral PFC regions, linked to semantic processing of the specific mathematical content (Amalric & Dehaene, 2016).…”
Section: Discussionmentioning
confidence: 99%