Spatial organization of occipital white matter tracts in the common marmoset

Kaneko, Takaaki; Takemura, Hiromasa; Pestilli, Franco; Silva, Afonso C.; Ye, Frank Q.; Leopold, David A.

doi:10.1007/s00429-020-02060-3

Cited by 19 publications

(16 citation statements)

References 95 publications

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“…It has been sometimes considered that visual information from the primary visual cortex reaches parietal and inferotemporal cortices through largely separated anatomical pathways ( Morel and Bullier, 1990 ). Recently, there are resurgent interests concerning the VOF since dMRI-based tractography studies demonstrate it in living human brains ( Yeatman et al, 2013 ; Yeatman et al, 2014 ; Duan et al, 2015 ; Takemura et al, 2016 ; Weiner et al, 2016 ; Wu et al, 2016 ; Keser et al, 2016 ; Kay and Yeatman, 2017 ; Lee Masson et al, 2017 ; Budisavljevic et al, 2018 ; Oishi et al, 2018 ; Panesar et al, 2019 ; Schurr et al, 2019 ; Broce et al, 2019 ; Jitsuishi et al, 2020 ) as well as in non-human primate brains (macaque, Takemura et al, 2017 ; Mars et al, 2018 ; Sani et al, 2019 ; Warrington et al, 2020 ; vervet, Sarubbo et al, 2019 ; marmoset, Kaneko et al, 2020 ). Still, a precise definition of the VOF and neighboring pathways is hotly contested ( Bartsch et al, 2013 ; Catani et al, 2017 ; Martino and García-Porrero, 2013 ; Weiner et al, 2017 ; Panesar et al, 2019 ; Schurr et al, 2019 ).…”

Section: Discussionmentioning

confidence: 99%

Anatomy of nerve fiber bundles at micrometer-resolution in the vervet monkey visual system

Takemura

Palomero‐Gallagher

Axer

et al. 2020

eLife

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Although the primate visual system has been extensively studied, detailed spatial organization of white matter fiber tracts carrying visual information between areas has not been fully established. This is mainly due to the large gap between tracer studies and diffusion-weighted MRI studies, which focus on specific axonal connections and macroscale organization of fiber tracts, respectively. Here we used 3D polarization light imaging (3D-PLI), which enables direct visualization of fiber tracts at micrometer resolution, to identify and visualize fiber tracts of the visual system, such as stratum sagittale, inferior longitudinal fascicle, vertical occipital fascicle, tapetum and dorsal occipital bundle in vervet monkey brains. Moreover, 3D-PLI data provide detailed information on cortical projections of these tracts, distinction between neighboring tracts, and novel short-range pathways. This work provides essential information for interpretation of functional and diffusion-weighted MRI data, as well as revision of wiring diagrams based upon observations in the vervet visual system.

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Section: Discussionmentioning

confidence: 99%

Anatomy of nerve fiber bundles at micrometer-resolution in the vervet monkey visual system

Takemura

Palomero‐Gallagher

Axer

et al. 2020

eLife

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“…This has generated debate about the anatomical boundaries and distinctive functions 17 , 56 of VOF and arcuate fasciculus. The proximity of the VOF to the posterior arcuate fasciculus has been seen to be dependent on species, subject variability, local model, and tractography algorithms 10 , 57 .…”

Section: Discussionmentioning

confidence: 99%

Occipital Intralobar fasciculi: a description, through tractography, of three forgotten tracts

et al. 2021

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Diffusion MRI paired with tractography has facilitated a non-invasive exploration of many association, projection, and commissural fiber tracts. However, there is still a scarcity of research studies related to intralobar association fibers. The Dejerines’ (two of the most notable neurologists of 19th century France) gave an in-depth description of the intralobar fibers of the occipital lobe. Unfortunately, their exquisite work has since been sparsely cited in the modern literature. This work gives a modern description of many of the occipital intralobar lobe fibers described by the Dejerines. We perform a virtual dissection and reconstruct the tracts using diffusion MRI tractography. The dissection is guided by the Dejerines’ treatise, Anatomie des Centres Nerveux. As an accompaniment to this article, we provided a French-to-English translation of the treatise portion concerning five intra-occipital tracts, namely: the stratum calcarinum, the stratum proprium cunei, the vertical occipital fasciculus of Wernicke, the transverse fasciculus of the cuneus and the transverse fasciculus of the lingual lobule of Vialet. It was possible to reconstruct all but one of these tracts. For completeness, the recently described sledge runner fasciculus, although not one of the Dejerines’ tracts, was identified and successfully reconstructed.

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“…between occipital and parietal cortices, as is the case in macaque (Felleman and Van Essen 1991;Baizer et al 1991) , these U-fibers have not been characterized and are likely to be plurisinaptic. In sum, there has been no report of a major white matter tract directly connecting occipital and parietal cortices in over 100 years of inquiry (3,51,54,58,(67)(68)(69) . One recent study specifically sought to find such a tract and was left wanting (54) .…”

Section: Input-driven Model Of Development In Major White Matter Pathmentioning

confidence: 97%

Development of white matter tracts between and within the dorsal and ventral streams

Vinci‐Booher

Caron

Bullock

et al. 2021

Preprint

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The degree of interaction between the ventral and dorsal visual streams has been discussed in multiple scientific domains for decades. Recently, several white matter tracts that directly connect the dorsal and ventral streams have become possible to study using automated and reproducible methods. The developmental trajectory of this set of tracts, the posterior vertical pathway (PVP), is yet to be described. We propose an input-driven model of white matter development and provide evidence for the model by focusing on PVP development. We used reproducible cloud-computing methods and diffusion imaging from adults and children (ages 5-8 years) to compare PVP development to that of tracts within the ventral and dorsal pathways. PVP microstructure was more adult-like than dorsal stream microstructure but less adult-like than ventral stream microstructure. Additionally, PVP microstructure was more similar to the microstructure of the ventral than dorsal stream and was predicted by performance on a perceptual task in children. Overall, results suggest a key role for the PVP in the development of the dorsal visual stream that may be related to its ability to facilitate interactions between ventral and dorsal streams during learning. The results are consistent with the proposed model, suggesting that the microstructural development of major white matter pathways is related, at least in part, to the feed-forward propagation of sensory information within the visual system.Significance StatementUnderstanding white matter development is important to building predictive models that can inform interventions and targeted educational methods. We propose and provide evidence for an input-driven model of white matter development. We tested an uncharted aspect of human brain development. Namely, how the recently described posterior vertical white matter tracts develop. Our results suggest a feed-forward developmental progression along the known direct anatomical connections from posterior visual areas to anterior ventral and dorsal areas. Our results suggest fundamental biological mechanisms that clarify the role of white matter in predicting human learning and behavior.

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Spatial organization of occipital white matter tracts in the common marmoset

Cited by 19 publications

References 95 publications

Anatomy of nerve fiber bundles at micrometer-resolution in the vervet monkey visual system

Anatomy of nerve fiber bundles at micrometer-resolution in the vervet monkey visual system

Occipital Intralobar fasciculi: a description, through tractography, of three forgotten tracts

Development of white matter tracts between and within the dorsal and ventral streams

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