نتایج جستجو برای: parcellation

تعداد نتایج: 917  

2017
Muhammad Naveed Iqbal Qureshi Jooyoung Oh Dongrae Cho Hang Joon Jo Boreom Lee

Multimodal features of structural and functional magnetic resonance imaging (MRI) of the human brain can assist in the diagnosis of schizophrenia. We performed a classification study on age, sex, and handedness-matched subjects. The dataset we used is publicly available from the Center for Biomedical Research Excellence (COBRE) and it consists of two groups: patients with schizophrenia and heal...

Journal: :NeuroImage 2011
Simon B. Eickhoff Danilo Bzdok Angela R. Laird Christian Roski Svenja Caspers Karl Zilles Peter T. Fox

The organization of the cerebral cortex into distinct modules may be described along several dimensions, most importantly, structure, connectivity and function. Identification of cortical modules by differences in whole-brain connectivity profiles derived from diffusion tensor imaging or resting state correlations has already been shown. These approaches, however, carry no task-related informat...

Journal: :Psychiatry Research: Neuroimaging 2009

2013
Diana M. E. Torta Tommaso Costa Sergio Duca Peter T. Fox Franco Cauda

Anatomical, morphological, and histological data have consistently shown that the cingulate cortex can be divided into four main regions. However, less is known about parcellations of the cingulate cortex when involved in active tasks. Here, we aimed at comparing how the pattern of clusterization of the cingulate cortex changes across different levels of task complexity. We parcellated the cing...

2014
Jens Haueisen Thomas R. Knösche

In modern neuroscience there is general agreement that brain function relies on networks and that connectivity is therefore of paramount importance for brain function. Accordingly, the delineation of functional brain areas on the basis of diffusion magnetic resonance imaging (dMRI) and tractography may lead to highly relevant brain maps. Existing methods typically aim to find a predefined numbe...

2012
Mihail Bota Hong-wei Dong Larry W. Swanson

Many different independently published neuroanatomical parcellation schemes (brain maps, nomenclatures, or atlases) can exist for a particular species, although one scheme (a standard scheme) is typically chosen for mapping neuroanatomical data in a particular study. This is problematic for building connection matrices (connectomes) because the terms used to name structures in different parcell...

Journal: :NeuroImage 2007
Andrea U J Mewes Lilla Zöllei Petra S Hüppi Heidelise Als Gloria B McAnulty Terrie E Inder William M Wells Simon K Warfield

Regional investigations of newborn MRI are important to understand the appearance and consequences of early brain injury. Previously, regionalization in neonates has been achieved with a Talairach parcellation, using internal landmarks of the brain. Non-synostotic dolichocephaly defines a bi-temporal narrowing of the preterm infant's head caused by pressure on the immature skull. The impact of ...

Journal: :Proceedings of SPIE--the International Society for Optical Engineering 2013
Chuyang Ye John A. Bogovic Sarah H. Ying Jerry L. Prince

The thalamus is a sub-cortical gray matter structure that relays signals between the cerebral cortex and midbrain. It can be parcellated into the thalamic nuclei which project to different cortical regions. The ability to automatically parcellate the thalamic nuclei could lead to enhanced diagnosis or prognosis in patients with some brain disease. Previous works have used diffusion tensor image...

2011
Yongnan Ji

Functional Magnetic Resonance Imaging (fMRI) is one of the most popular neuroimaging methods for investigating the activity of the human brain during cognitive tasks. As with many other neuroimaging tools, the group analysis of fMRI data often requires a transformation of the individual datasets to a common stereotaxic space, where the different brains have a similar global shape and size. Howe...

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