Middle temporal cortex is involved in processing fractions.

Neuroscience Letters
Jiaxin CuiXinlin Zhou

Abstract

Numerous studies have examined how the brain processes numbers. However, although much attention has been paid to whole numbers, little is known about fractions, despite their pervasive use and the large number of people who have difficulty in learning them. We hypothesized that effective processing of fractions relies on conceptual knowledge. To test this hypothesis, we recorded functional magnetic resonance imaging signals from 68 participants (34 females and 34 males) when they performed a magnitude comparison task (whole number vs. fraction) with different levels of difficulty (short-distance number pairs vs. long-distance number pairs), and examined whether brain regions that handle conceptual knowledge are more involved in processing fractions than in processing whole numbers. Spatial patterns for brain activity related to processing fractions and whole numbers differed greatly in the left middle temporal gyrus (MTG) as well as in the parietal and frontal cortices. Further analysis showed that activation patterns in the left MTG differed between tasks, but activation intensity did not. In contrast, no significantly different activation patterns were found between short-distance and long-distance conditions in the left MTG...Continue Reading

Citations

Jul 7, 2020·Frontiers in Psychology·Nicolás MoralesDavid Maximiliano Gómez
Dec 12, 2020·Trends in Neuroscience and Education·Silke M WorthaElise Klein
Jul 12, 2021·Cerebral Cortex·Li WangXinlin Zhou

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