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Caudally, it originates near the superior precentral sulcus (SPRS) and, rostrally, it terminates near the frontal pole. The advent of structural neuroimaging has demonstrated significant variability in this sulcus that is not captured by the classic sulcal maps. The present investigation examined the morphological variability of the SFS in 50 individual magnetic resonance imaging (MRI) scans of the human brain that were registered to the Montreal Neurological Institute (MNI) standard stereotaxic space. Two primary morphological patterns were identified: (i) the SFS was classified as a continuous sulcus or (ii) the SFS was a complex of sulcal segments. The SFS showed a high probability of merging with neighbouring sulci on the superior and middle frontal gyri and these patterns were documented. In addition, the morphological variability and spatial extent of the SFS were quantified using volumetric and surface spatial probability maps. The results from the current investigation provide an anatomical framework for understanding the morphology of the SFS, which is critical for the interpretation of structural and functional neuroimaging data in the dorsolateral frontal region, as well as for improving the accuracy of neurosurgical interventions.<\/jats:p>","DOI":"10.1002\/hbm.26635","type":"journal-article","created":{"date-parts":[[2024,3,28]],"date-time":"2024-03-28T06:55:41Z","timestamp":1711608941000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["The superior frontal sulcus in the human brain: Morphology and probability maps"],"prefix":"10.1002","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7394-5000","authenticated-orcid":false,"given":"Kristina","family":"Drudik","sequence":"first","affiliation":[{"name":"Department of Neurology and Neurosurgery McGill University, Montreal Neurological Institute\/Hospital Montreal Quebec Canada"},{"name":"Department of Psychology McGill University Montreal Quebec Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael","family":"Petrides","sequence":"additional","affiliation":[{"name":"Department of Neurology and Neurosurgery McGill University, Montreal Neurological Institute\/Hospital Montreal Quebec Canada"},{"name":"Department of Psychology McGill University Montreal Quebec Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,3,27]]},"reference":[{"key":"e_1_2_9_2_1","unstructured":"Ad\u2010Dab'bagh Y. 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