Multimodal 3D atlas of the macaque monkey motor and premotor cortex.

NeuroImage
Lucija RapanNicola Palomero-Gallagher

Abstract

In the present study we reevaluated the parcellation scheme of the macaque frontal agranular cortex by implementing quantitative cytoarchitectonic and multireceptor analyses, with the purpose to integrate and reconcile the discrepancies between previously published maps of this region. We applied an observer-independent and statistically testable approach to determine the position of cytoarchitectonic borders. Analysis of the regional and laminar distribution patterns of 13 different transmitter receptors confirmed the position of cytoarchitectonically identified borders. Receptor densities were extracted from each area and visualized as its "receptor fingerprint". Hierarchical and principal components analyses were conducted to detect clusters of areas according to the degree of (dis)similarity of their fingerprints. Finally, functional connectivity pattern of each identified area was analyzed with areas of prefrontal, cingulate, somatosensory and lateral parietal cortex and the results were depicted as "connectivity fingerprints" and seed-to-vertex connectivity maps. We identified 16 cyto- and receptor architectonically distinct areas, including novel subdivisions of the primary motor area 4 (i.e. 4a, 4p, 4m) and of premotor ...Continue Reading

Associated Datasets

Dec 19, 2020·N. Palomero-GallagherNicola Palomero-Gallagher
Dec 19, 2020·N. Palomero-GallagherS. Froudist-Walsh

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Citations

Apr 2, 2021·NeuroImage·Renée HartigHenry C Evrard
Oct 15, 2021·Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology·Sharon M Kolk, Pasko Rakic

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