title: Evaluating structural connectomics in relation to different Q-space sampling techniques.
abstract: Brain networks are becoming forefront research in neuroscience. Network-based analysis on the functional and structural connectomes can lead to powerful imaging markers for brain diseases. However, constructing the structural connectome can be based upon different acquisition and reconstruction techniques whose information content and mutual differences has not yet been properly studied in a unified framework. The variations of the structural connectome if not properly understood can lead to dangerous conclusions when performing these type of studies. In this work we present evaluation of the structural connectome by analysing and comparing graph-based measures on real data acquired by the three most important Diffusion Weighted Imaging techniques: DTI, HARDI and DSI. We thus come to several important conclusions demonstrating that even though the different techniques demonstrate differences in the anatomy of the reconstructed fibers the respective connectomes show variations of 20%.
authors: Mint Labs S.L., Barcelona, Spain.
authors: Paulo
authors: P
authors: Rodrigues
authors: LSNA, Facultat de Medicina, UB, Barcelona, Spain.
authors: Alberto
authors: A
authors: Prats-Galino
authors: Dept. of Personality, Faculty of Psychology, UB, Barcelona, Spain.
authors: David
authors: D
authors: Gallardo-Pujol
authors: Center for Neuroimmunology, Department of Neurosciences, IDIBAPS, Hospital, Clinic, Barcelona, Spain.
authors: Pablo
authors: P
authors: Villoslada
authors: Medical Imaging Platform, IDIBAPS, Barcelona, Spain.
authors: Carles
authors: C
authors: Falcon
authors: Center for Neuroimmunology, Department of Neurosciences, IDIBAPS, Hospital, Clinic, Barcelona, Spain.
authors: Vesna
authors: V
authors: Prckovska
mesh_terms: D000465:Algorithms; D001921:Brain / Q000033:anatomy & histology*; D063132:Connectome / Q000379:methods*; D056324:Diffusion Tensor Imaging / Q000379:methods*; D006801:Humans; D007089:Image Enhancement / Q000379:methods; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D009413:Nerve Fibers, Myelinated / Q000648:ultrastructure*; D009415:Nerve Net / Q000033:anatomy & histology*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity