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Four facets have been implicated in adult numerical processing: semantic, visual, manual, and phonological\/verbal. Here, we ask how the brain represents each, using a combination of tasks and stimuli. We collected fMRI data from adult participants while they completed our novel \u201cfour number code\u201d paradigm. In this paradigm, participants viewed one of two stimulus types to tap into the visual and manual number codes, respectively. Concurrently, they completed one of two tasks to tap into the semantic and phonological\/verbal number codes, respectively. Classification analyses revealed that neural codes representing distinctions between the number comparison and phonological tasks were generalizable across format (e.g., Arabic numerals to hands) within intraparietal sulcus (IPS), angular gyrus, and precentral gyrus. Neural codes representing distinctions between formats were generalizable across tasks within visual areas such as fusiform gyrus and calcarine sulcus, as well as within IPS. Our results identify the neural facets of numerical processing within a single paradigm and suggest that IPS is sensitive to distinctions between semantic and phonological\/verbal, as well as visual and manual, facets of number representations.<\/jats:p>","DOI":"10.1162\/jocn_a_01933","type":"journal-article","created":{"date-parts":[[2022,10,28]],"date-time":"2022-10-28T16:53:57Z","timestamp":1666976037000},"page":"226-240","update-policy":"https:\/\/doi.org\/10.1162\/mitpressjournals.corrections.policy","source":"Crossref","is-referenced-by-count":7,"title":["Representations within the Intraparietal Sulcus Distinguish Numerical Tasks and Formats"],"prefix":"10.1162","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5844-5051","authenticated-orcid":true,"given":"Griffin E.","family":"Koch","sequence":"first","affiliation":[{"name":"University of Pittsburgh"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melissa E.","family":"Libertus","sequence":"additional","affiliation":[{"name":"University of Pittsburgh"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Julie A.","family":"Fiez","sequence":"additional","affiliation":[{"name":"University of Pittsburgh"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marc N.","family":"Coutanche","sequence":"additional","affiliation":[{"name":"University of Pittsburgh"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"281","published-online":{"date-parts":[[2023,2,1]]},"reference":[{"key":"2024020103435341000_bib1","doi-asserted-by":"publisher","first-page":"6026","DOI":"10.1038\/ncomms7026","article-title":"A number-form area in the blind","volume":"6","author":"Abboud","year":"2015","journal-title":"Nature Communications"},{"key":"2024020103435341000_bib3","doi-asserted-by":"publisher","first-page":"67","DOI":"10.1093\/oxfordhb\/9780199642342.013.028","article-title":"Finger-based representation of mental arithmetic","volume-title":"The Oxford handbook of numerical cognition","author":"Andres","year":"2015"},{"key":"2024020103435341000_bib4","doi-asserted-by":"publisher","first-page":"258","DOI":"10.1016\/j.tics.2017.12.002","article-title":"Beyond functional connectivity: Investigating networks of multivariate representations","volume":"22","author":"Anzellotti","year":"2018","journal-title":"Trends in Cognitive Sciences"},{"key":"2024020103435341000_bib5","doi-asserted-by":"publisher","first-page":"239","DOI":"10.1016\/j.dcn.2017.08.002","article-title":"Brain areas associated with numbers and calculations in children: Meta-analyses of fMRI studies","volume":"30","author":"Arsalidou","year":"2018","journal-title":"Developmental Cognitive Neuroscience"},{"key":"2024020103435341000_bib6","doi-asserted-by":"publisher","first-page":"2382","DOI":"10.1016\/j.neuroimage.2010.10.009","article-title":"Is 2 + 2 = 4? 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