2016
DOI: 10.1093/cercor/bhv344
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Bidirectional Modulation of Numerical Magnitude

Abstract: Numerical cognition is critical for modern life; however, the precise neural mechanisms underpinning numerical magnitude allocation in humans remain obscure. Based upon previous reports demonstrating the close behavioral and neuro-anatomical relationship between number allocation and spatial attention, we hypothesized that these systems would be subject to similar control mechanisms, namely dynamic interhemispheric competition. We employed a physiological paradigm, combining visual and vestibular stimulation, … Show more

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Cited by 15 publications
(31 citation statements)
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References 74 publications
(133 reference statements)
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“…In agreement with the latter patient studies, our findings in healthy individuals demonstrate numerical magnitude allocation is subject to dynamic interhemispheric competition between fronto‐parietal networks independently of any spatial attention influences 10. That is, the right hemisphere preferentially encodes smaller magnitudes, whereas the left hemisphere is responsible for encoding relatively larger magnitudes, and this is continually updated in a contextual manner 10.…”
Section: Introductionsupporting
confidence: 89%
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“…In agreement with the latter patient studies, our findings in healthy individuals demonstrate numerical magnitude allocation is subject to dynamic interhemispheric competition between fronto‐parietal networks independently of any spatial attention influences 10. That is, the right hemisphere preferentially encodes smaller magnitudes, whereas the left hemisphere is responsible for encoding relatively larger magnitudes, and this is continually updated in a contextual manner 10.…”
Section: Introductionsupporting
confidence: 89%
“…That is, the right hemisphere preferentially encodes smaller magnitudes, whereas the left hemisphere is responsible for encoding relatively larger magnitudes, and this is continually updated in a contextual manner 10. Despite our finding, whether neurological dysfunction of the left hemisphere can systematically induce pathological biases in magnitude allocation toward smaller magnitudes remains unknown.…”
Section: Introductionmentioning
confidence: 53%
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