This indicates that numerosity-specific neural resources are shared between formats. Discrimination was successful between numerosities 2, 4, 6, and 8 dots and generalized to activation patterns of the same numerosities represented as Arabic digits in the bilateral parietal lobes and left inferior frontal gyrus (IFG) (and vice versa). We analyzed patterns of neural activation using 7 Tesla functional magnetic resonance imaging in a sample of 39 healthy adults. Therefore, this study asked if numbers share cortical activation patterns across formats and tasks, and whether neural response to number predicts math-related behaviors. Nevertheless, fluency of perceiving both number formats, and translating between them, predicts math skills across the life span. Debate continues on whether encoding of symbolic number is grounded in nonsymbolic numerical magnitudes.
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