Brain Mapping

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Pedro A. Valdes-sosa - One of the best experts on this subject based on the ideXlab platform.

  • Latin American Brain Mapping Network (LABMAN)
    NeuroImage, 2009
    Co-Authors: Kâmil Uludağ, Alan C. Evans, Valeria Della-maggiore, Silvia Kochen, Edson Amaro, O. Sierra, Pedro A. Valdés-hernández, V. Medina, Pedro A. Valdes-sosa
    Abstract:

    Abstract On March 8, 2008 in Havana, the Latin American Network for Brain Mapping (LABMAN) was created with participants from Argentina, Brazil, Colombia, Cuba and Mexico. The focus of LABMAN is to promote neuroimaging and systems neuroscience in the region through the implementation of training and exchange programs, and to increase public awareness of the Latin American potential to contribute both to basic and applied research in human Brain Mapping.

  • Latin American Brain Mapping Network
    2008
    Co-Authors: Kâmil Uludağ, Pedro A. Valdes-sosa
    Abstract:

    On March 7-8, 2008, cognitive and imaging neuroscientists from the Americas held a workshop in Havana, Cuba, to launch the Latin American Brain Mapping Network (LABMAN); a project allied to the International Organization for Human Brain Mapping established in 1993. The LABMAN initiative is intended to formalize disparate collaborative threads into a Latin American network via exchange of software, data, personnel, training and ideas through a coordinated network, both organizational and electronic. In general, neuroscience and neuroimaging research in Latin America is hindered by a lack of critical mass within any single country. By organizing these communities at a supra-national level, LABMAN seeks to nurture Brain Mapping research at the national level, acting as a catalyst for national programs. Furthermore, in this report, statuses of Brain Mapping in different Latin American countries (Argentina, Brazil, Columbia, Cuba and Mexico) are summarized. This is not meant to be an exhaustive report about neuroimaging work in these countries but rather to underscore the potential of the region in the development and use of Brain Mapping as a research and health tool. We are inviting research groups and individuals in Latin America not represented currently to join LABMAN.

Peter Bandettini - One of the best experts on this subject based on the ideXlab platform.

  • Information-based functional Brain Mapping
    Proceedings of the National Academy of Sciences of the United States of America, 2006
    Co-Authors: Nikolaus Kriegeskorte, Rainer Goebel, Peter Bandettini
    Abstract:

    The development of high-resolution neuroimaging and multielectrode electrophysiological recording provides neuroscientists with huge amounts of multivariate data. The complexity of the data creates a need for statistical summary, but the local averaging standardly applied to this end may obscure the effects of greatest neuroscientific interest. In neuroimaging, for example, Brain Mapping analysis has focused on the discovery of activation, i.e., of extended Brain regions whose average activity changes across experimental conditions. Here we propose to ask a more general question of the data: Where in the Brain does the activity pattern contain information about the experimental condition? To address this question, we propose scanning the imaged volume with a “searchlight,†whose contents are analyzed multivariately at each location in the Brain.

Kâmil Uludağ - One of the best experts on this subject based on the ideXlab platform.

  • Latin American Brain Mapping Network (LABMAN)
    NeuroImage, 2009
    Co-Authors: Kâmil Uludağ, Alan C. Evans, Valeria Della-maggiore, Silvia Kochen, Edson Amaro, O. Sierra, Pedro A. Valdés-hernández, V. Medina, Pedro A. Valdes-sosa
    Abstract:

    Abstract On March 8, 2008 in Havana, the Latin American Network for Brain Mapping (LABMAN) was created with participants from Argentina, Brazil, Colombia, Cuba and Mexico. The focus of LABMAN is to promote neuroimaging and systems neuroscience in the region through the implementation of training and exchange programs, and to increase public awareness of the Latin American potential to contribute both to basic and applied research in human Brain Mapping.

  • Latin American Brain Mapping Network
    2008
    Co-Authors: Kâmil Uludağ, Pedro A. Valdes-sosa
    Abstract:

    On March 7-8, 2008, cognitive and imaging neuroscientists from the Americas held a workshop in Havana, Cuba, to launch the Latin American Brain Mapping Network (LABMAN); a project allied to the International Organization for Human Brain Mapping established in 1993. The LABMAN initiative is intended to formalize disparate collaborative threads into a Latin American network via exchange of software, data, personnel, training and ideas through a coordinated network, both organizational and electronic. In general, neuroscience and neuroimaging research in Latin America is hindered by a lack of critical mass within any single country. By organizing these communities at a supra-national level, LABMAN seeks to nurture Brain Mapping research at the national level, acting as a catalyst for national programs. Furthermore, in this report, statuses of Brain Mapping in different Latin American countries (Argentina, Brazil, Columbia, Cuba and Mexico) are summarized. This is not meant to be an exhaustive report about neuroimaging work in these countries but rather to underscore the potential of the region in the development and use of Brain Mapping as a research and health tool. We are inviting research groups and individuals in Latin America not represented currently to join LABMAN.

Manish K. Aghi - One of the best experts on this subject based on the ideXlab platform.

  • Functional Brain Mapping: overview of techniques and their application to neurosurgery
    Neurosurgical Review, 2019
    Co-Authors: Soumya Sagar, Jonathan Rick, Ankush Chandra, Garima Yagnik, Manish K. Aghi
    Abstract:

    Functional Brain Mapping (FBM) is an integral part of contemporary neurosurgery. It is crucial for safe and optimal resection of Brain lesions like gliomas. The eloquent regions of the cortex like motor, somatosensory, Wernicke’s, and Broca are usually mapped, either preoperatively or intraoperatively. Since its birth in the nineteenth century, FBM has witnessed immense modernization, radical refinements, and the introduction of novel techniques, most of which are non-invasive. Direct electrical stimulation of the cortex, despite its high invasiveness, remains the technique of choice. Non-invasive techniques like fMRI and magnetoencephalography allow us the convenience of multiple Mappings with minimal discomfort to the patients. They are quick, easy to do, and allow thorough study. Different modalities are now being combined to yield better delineations like fMRI and diffusion tensor imaging. This article reviews the physical principles, applications, merits, shortcomings, and latest developments of nine FBM techniques. Other than neurosurgical operations, these techniques have also been applied to studies of stroke, Alzheimer’s, and cognition. There are strong indications that the future of Brain Mapping shall see the non-invasive techniques playing a more dominant role as they become more sensitive and accurate due to advances in physics, refined algorithms, and subsequent validation against invasive techniques.

Nikolaus Kriegeskorte - One of the best experts on this subject based on the ideXlab platform.

  • Information-based functional Brain Mapping
    Proceedings of the National Academy of Sciences of the United States of America, 2006
    Co-Authors: Nikolaus Kriegeskorte, Rainer Goebel, Peter Bandettini
    Abstract:

    The development of high-resolution neuroimaging and multielectrode electrophysiological recording provides neuroscientists with huge amounts of multivariate data. The complexity of the data creates a need for statistical summary, but the local averaging standardly applied to this end may obscure the effects of greatest neuroscientific interest. In neuroimaging, for example, Brain Mapping analysis has focused on the discovery of activation, i.e., of extended Brain regions whose average activity changes across experimental conditions. Here we propose to ask a more general question of the data: Where in the Brain does the activity pattern contain information about the experimental condition? To address this question, we propose scanning the imaged volume with a “searchlight,†whose contents are analyzed multivariately at each location in the Brain.