Human brain mapping fsl course3/7/2023 ![]() ![]() A robust relationship between morphology of the central and subcentral sulcal segments and movement of different effectors is demonstrated. We show that, in the majority of participants, the anterior subcentral sulcus is not continuous, but consists of two distinct segments. ![]() We provide a systematic description of the sulcal patterns of the subcentral and adjacent opercular cortex, including the inter-individual variability in sulcal morphology. Here, we examined the relationship between morphology in the central and subcentral region and the location of functional activity during movement of the hand, lips, tongue, and larynx at the individual participant level. Investigating the subcentral region is particularly important in the context of speech, since control of the larynx during human speech production is related to activity in this region. By contrast, morphological variation in the subcentral region and its relationship to function is, as yet, unknown. The morphology of the central sulcus is predictive of the location of functional activation peaks relating to movement of different effectors in individuals. There is a long-established link between anatomy and function in the somatomotor system in the mammalian cerebral cortex.
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