ArticleeNeuro
The Complex Hodological Architecture of the Macaque Dorsal Intraparietal Areas as Emerging from Neural Tracers and DW-MRI Tractography.
Article in eNeuro. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Qualitative and quantitative analysis of the callosal projections to prefrontal, frontal motor, and parietal areas in the macaque monkey.Brain structure & function · 2025Article
- Imaging the structural connectome with hybrid MRI-microscopy tractography.Medical image analysis · 2025Article
- Surface-based morphometry of the corpus callosum in young children of ages 1-5.Human brain mapping · 2024Article
- Involvement of the claustrum in the cortico-basal ganglia circuitry: connectional study in the non-human primate.Brain structure & function · 2024Article
- Reversible deactivation of motor cortex reveals that areas in parietal cortex are differentially dependent on motor cortex for the generation of movement.Journal of neurophysiology · 2024Article
- Tractography passes the test: Results from the diffusion-simulated connectivity (disco) challenge.NeuroImage · 2023Article
- The parietal lobe evolution and the emergence of material culture in the human genus.Brain structure & function · 2023Review
- Functional characterization of the fronto-parietal reaching and grasping network: reversible deactivation of M1 and areas 2, 5, and 7b in awake behaving monkeys.Journal of neurophysiology · 2022Article
- The functional characterization of callosal connections.Progress in neurobiology · 2022Review
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7 authors.
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Abstract
In macaque monkeys, dorsal intraparietal areas are involved in several daily visuomotor actions. However, their border and sources of cortical afferents remain loosely defined. Combining retrograde histologic tracing and MRI diffusion-based tractography, we found a complex hodology of the dorsal bank of the intraparietal sulcus (db-IPS), which can be subdivided into a rostral intraparietal area PEip, projecting to the spinal cord, and a caudal medial intraparietal area MIP lacking such projections. Both include an anterior and a posterior sector, emerging from their ipsilateral, gradient-like connectivity profiles. As tractography estimations, we used the cross-sectional area of the white matter bundles connecting each area with other parietal and frontal regions, after selecting regions of interest (ROIs) corresponding to the injection sites of neural tracers. For most connections, we found a significant correlation between the proportions of cells projecting to all sectors of PEip and MIP along the continuum of the db-IPS and tractography. The latter also revealed "false positive" but plausible connections awaiting histologic validation.
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