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Editorial: Organization of the White Matter Anatomy in the Human Brain

Silvio Sarubbo 1 Laurent Petit 2
2 GIN - Groupe d'imagerie neurofonctionnelle
CEA - Commissariat à l'énergie atomique et aux énergies alternatives, IMN - Institut des Maladies Neurodégénératives [Bordeaux]
Abstract : Editorial on the Research Topic Organization of the White Matter Anatomy in the Human Brain Between nineteenth and twentieth centuries, neurosciences experienced the first sharing of experiences and competences between the world of brain anatomy and clinics. The improvements in the knowledge of human white matter (WM) anatomy provided the natural background to the structural definition of a wide spectrum of clinical syndromes. This "disconnection" experience was the first field of strict integration between the WM anatomical and clinical skills, and constituted the hard core for the development of the modern neurosciences over the last century (Catani and ffytche, 2005). While the second half of twentieth century has seen the neurophysiology taking a front role in the definition of the physiological and physio-pathological processing of brain circuitries, the last decade has definitively brought neuroimaging into the world of neuroscience. The functional magnetic resonance imaging (fMRI) and diffusion-weighted MRI (DWI) tractography have successively opened a new era for a better understanding of functional and structural anatomy of the human brain (Le Bihan and Johansen-Berg, 2012; Smith et al., 2013). In particular, DWI-based tractography was the first tool allowing the exploration of human WM in vivo with an unprecedented level of details, and it shed a new light in the knowledge of the brain anatomy that became, finally, more accessible (Jeurissen et al., 2019). Beyond the technical aspects related to the continuous necessary improvement of this approach (Maier-Hein et al., 2017), tractography produced a conceptual revolution leading that the wiring diagram of brain connections regained a center scene of neuroscience research. Such a revolution was not only in research but also in the clinical and neurosurgical domains and opened the "connectome" era (Sporns, 2013). The fields of neuroanatomy, neuroimaging, neurophysiology and clinical researches are currently closer as never before. In fact, two decades of exploration of brain structure and functional processing with an unprecedented level of sensitivity opened new challenges. Among others, the research for a ground truth in structural anatomy is definitely the most impressive, especially considering the basic and conceptual consequences of that in assessing a reliable knowledge of brain processing, clinics and plasticity. This is what the vast majority of the articles in this Research Topic highlight by describing association WM pathways (Bao et al.; David et al.; Panesar et al.), cortico-striatal Cacciola et al. and cortico-thalamic (Maffei et al.; Roddy et al.; Sun et al.) projection pathways.
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Submitted on : Sunday, November 3, 2019 - 6:22:47 PM
Last modification on : Wednesday, November 18, 2020 - 9:32:05 AM


  • HAL Id : hal-02343985, version 1




Silvio Sarubbo, Laurent Petit. Editorial: Organization of the White Matter Anatomy in the Human Brain. Frontiers in Neuroanatomy, Frontiers, 2019, 13, pp.85. ⟨hal-02343985⟩



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