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- | ====== Research Area : Emergence of a formal semantic description of cortical territories====== | + | ====== PhD thesis : Emergence of a formal semantic description of human connectomics====== |
- | Subdividing the cortex into structural elements, known as **parcellation**, is a key aspect to apprehend the link between structure and function in the brain. One of the main issue of parcellation is the compilation of the human cerebral **connectome** and could have important medical applications as better identify important fonctional areas to preserve in neurosurgery. | + | ===== Context ===== |
- | Different aspects of cerebral **structural connectivity** were investigated in this thesis using **diffusion magnetic resonance imaging** (MRI) and **tractography**. | + | Subdividing the cortex into structural elements, known as **parcellation**, is a key aspect to apprehend the link between structure and function in the brain. One of the main issue of parcellation is the compilation of the human cerebral **connectome** and could have important medical applications in medical image as better identify important fonctional areas to preserve in neurosurgery. |
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+ | Different aspects of cerebral **structural connectivity** were investigated in this thesis using **diffusion Magnetic Resonance Imaging** (dMRI) and **tractography**, which is currently the unique technique that could reconstruct structural connectivity in vivo and non invasively. | ||
* A first study aimed to characterise short association bundles in the central region based on **diffusion tensor imaging** (DTI). | * A first study aimed to characterise short association bundles in the central region based on **diffusion tensor imaging** (DTI). | ||
- | * A second study aimed to use structural connectivity relation to define a **connectivity-based-parcellation** using a **spectral clustering**. | + | * A second study aimed to use structural connectivity to define a **connectivity-based-parcellation**. |
* Finally, the purpose of the last study was to create an applicative **ontology** in order to produce **semantic annotations** of connectional fingerprints based on **probabilistic tractography**. | * Finally, the purpose of the last study was to create an applicative **ontology** in order to produce **semantic annotations** of connectional fingerprints based on **probabilistic tractography**. | ||
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{{:members:tristan.moreau:tracto.png|}} | {{:members:tristan.moreau:tracto.png|}} | ||
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{{:members:tristan.moreau:ba6.png|}} | {{:members:tristan.moreau:ba6.png|}} | ||
{{:members:tristan.moreau:vsparql1.png|}} | {{:members:tristan.moreau:vsparql1.png|}} |