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Related papers: Resting-state ASL : Toward an optimal sequence dur…

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Arterial spin labeling (ASL) allows to quantify the cerebral blood flow (CBF) by magnetic labeling of the arterial blood water. ASL is increasingly used in clinical studies due to its noninvasiveness, repeatability and benefits in…

Computer Vision and Pattern Recognition · Computer Science 2018-06-13 Cagdas Ulas , Giles Tetteh , Stephan Kaczmarz , Christine Preibisch , Bjoern H. Menze

Arterial spin labeling perfusion MRI is a noninvasive technique for measuring quantitative cerebral blood flow (CBF), but the measurement is subject to a low signal-to-noise-ratio(SNR). Various post-processing methods have been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2018-01-31 Danfeng Xie , Li Bai , Ze Wang

Arterial spin labeling (ASL) perfusion MRI provides a non-invasive way to quantify cerebral blood flow (CBF) but it still suffers from a low signal-to-noise-ratio (SNR). Using deep machine learning (DL), several groups have shown…

Image and Video Processing · Electrical Eng. & Systems 2020-05-19 Danfeng Xie , Yiran Li , Hanlu Yang , Li Bai , Lei Zhang , Ze Wang

Resting state fMRI is an imaging modality which reveals brain activity localization through signal changes, in what is known as Resting State Networks (RSNs). This technique is gaining popularity in neurosurgical pre-planning to visualize…

Machine Learning · Computer Science 2022-09-22 Sejal Ghate , Alberto Santamaria-Pang , Ivan Tarapov , Haris I Sair , Craig K Jones

Resting-state functional MRI (rs-fMRI) is a rich imaging modality that captures spontaneous brain activity patterns, revealing clues about the connectomic organization of the human brain. While many rs-fMRI studies have focused on static…

Machine Learning · Computer Science 2019-08-20 Meenakshi Khosla , Keith Jamison , Amy Kuceyeski , Mert R. Sabuncu

Arterial Spin Labelling (ASL) functional Magnetic Resonance Imaging (fMRI) data provides a quantitative measure of blood perfusion, that can be correlated to neuronal activation. In contrast to BOLD measure, it is a direct measure of…

Applications · Statistics 2015-01-07 Aina Frau-Pascual , Thomas Vincent , Jennifer Sloboda , Philippe CIUCIU , Florence Forbes

Resting State Networks (RSNs) of the brain extracted from Resting State functional Magnetic Resonance Imaging (RS-fMRI) are used in the pre-surgical planning to guide the neurosurgeon. This is difficult, though, as expert knowledge is…

Arterial spin labeling (ASL) magnetic resonance imaging (MRI) is a powerful imaging technology that can measure cerebral blood flow (CBF) quantitatively. However, since only a small portion of blood is labeled compared to the whole tissue…

Image and Video Processing · Electrical Eng. & Systems 2020-09-15 Jianan Cui , Kuang Gong , Paul Han , Huafeng Liu , Quanzheng Li

Purpose: Arterial Spin Labeling (ASL) is a quantitative, non-invasive alternative to perfusion imaging with contrast agents. Fixing values of certain model parameters in traditional ASL, which actually vary from region to region, may…

Image and Video Processing · Electrical Eng. & Systems 2019-05-17 Anish Lahiri , Jeffrey A Fessler , Luis Hernandez-Garcia

Purpose: Arterial spin labeling (ASL) perfusion imaging indicates direct and absolute measurement of cerebral blood flow (CBF). Arterial transit time (ATT) is a related physiological parameter reflecting the duration for the labeled spins…

Image and Video Processing · Electrical Eng. & Systems 2022-06-15 Yiran Li , Ze Wang

Resting-state fMRI captures spontaneous neural activity characterized by complex spatiotemporal dynamics. Various metrics, such as local and global brain connectivity and low-frequency amplitude fluctuations, quantify distinct aspects of…

Neurons and Cognition · Quantitative Biology 2025-05-13 Simon Wein , Marco Riebel , Lisa-Marie Brunner , Caroline Nothdurfter , Rainer Rupprecht , Jens V. Schwarzbach

Alzheimer's disease (AD) is a neurodegenerative disorder marked by memory loss and cognitive decline, making early detection vital for timely intervention. However, early diagnosis is challenging due to the heterogeneous presentation of…

Neurons and Cognition · Quantitative Biology 2025-09-24 Ali Khazaee , Abdolreza Mohammadi , Ruairi O'Reilly

We conduct an imaging genetics study to explore how effective brain connectivity in the default mode network (DMN) may be related to genetics within the context of Alzheimer's disease and mild cognitive impairment. We develop an analysis of…

Neurons and Cognition · Quantitative Biology 2020-06-03 Yunlong Nie , Eugene Opoku , Laila Yasmin , Yin Song , Jie Wang , Sidi Wu , Vanessa Scarapicchia , Jodie Gawryluk , Liangliang Wang , Jiguo Cao , Farouk S. Nathoo

Understanding the relationship between the structure and function of the human brain is one of the most important open questions in Neurosciences. In particular, Resting State Networks (RSN) and more specifically the Default Mode Network…

Neurons and Cognition · Quantitative Biology 2019-06-14 Julio A. Peraza-Goicolea , Eduardo Martínez-Montes , Eduardo Aubert , Pedro A. Valdés-Hernández , Roberto Mulet

Cerebrovascular disease is a leading cause of death globally. Prevention and early intervention are known to be the most effective forms of its management. Non-invasive imaging methods hold great promises for early stratification, but at…

Perfusion MRI is an important modality in many brain imaging protocols, since it probes cerebrovascular changes in aging and many diseases; however, it may not be always available. Here we introduce a method that seeks to estimate regional…

Image and Video Processing · Electrical Eng. & Systems 2019-11-20 Ganesh B Chand , Mohamad Habes , Sudipto Dolui , John A Detre , David A Wolk , Christos Davatzikos

Functional magnetic resonance imaging recordings in the resting-state (RS) from the human brain are characterized by spontaneous low-frequency fluctuations in the blood oxygenation level dependent signal that reveal functional connectivity…

Neurons and Cognition · Quantitative Biology 2013-02-21 Iwo Jerzy Bohr , Eva Kenny , Andrew Blamire , John T. O'Brien , Alan J. Thomas , Jonathan Richardson , Marcus Kaiser

Functional magnetic resonance imaging (fMRI) techniques have contributed significantly to our understanding of brain function. Current methods are based on the analysis of \emph{gradual and continuous} changes in the brain blood oxygenated…

Neurons and Cognition · Quantitative Biology 2011-07-25 Enzo Tagliazucchi , Pablo Balenzuela , Daniel Fraiman , Dante R. Chialvo

Functional magnetic resonance imaging (fMRI) has become instrumental in researching brain function. One application of fMRI is investigating potential neural features that distinguish people with autism spectrum disorder (ASD) from healthy…

Image and Video Processing · Electrical Eng. & Systems 2024-12-19 Sjir J. C. Schielen , Jesper Pilmeyer , Albert P. Aldenkamp , Danny Ruijters , Svitlana Zinger

Purpose: Dynamic angiography using arterial spin labeling (ASL) can provide detailed hemodynamic information. However, the long time-resolved readouts require small flip angles to preserve ASL signal for later timepoints, limiting SNR. By…

Medical Physics · Physics 2022-04-05 Joseph G. Woods , S. Sophie Schauman , Mark Chiew , Michael A. Chappell , Thomas W. Okell
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