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相关论文: Detecting abnormalities in resting-state dynamics:…

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Brain "rest" is defined -more or less unsuccessfully- as the state in which there is no explicit brain input or output. This work focuss on the question of whether such state can be comparable to any known \emph{dynamical} state. For that…

无序系统与神经网络 · 物理学 2015-05-13 Daniel Fraiman , Pablo Balenzuela , Jennifer Foss , Dante R. Chialvo

Aggregating multi-subject functional magnetic resonance imaging (fMRI) data is indispensable for generating valid and general inferences from patterns distributed across human brains. The disparities in anatomical structures and functional…

机器学习 · 计算机科学 2019-11-20 Weida Li , Mingxia Liu , Fang Chen , Daoqiang Zhang

Major depressive disorder (MDD) is a prevalent mental disorder associated with complex neurobiological changes that cannot be fully captured using a single imaging modality. The use of multimodal magnetic resonance imaging (MRI) provides a…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Nojod M. Alotaibi , Areej M. Alhothali

We propose a model for diagnosing Autism spectrum disorder (ASD) using multimodal magnetic resonance imaging (MRI) data. Our approach integrates brain connectivity data from diffusion tensor imaging (DTI) and functional MRI (fMRI),…

神经元与认知 · 定量生物学 2024-10-10 Lu Wei , Yi Huang , Guosheng Yin , Fode Zhang , Manxue Zhang , Bin Liu

Neuroimage analysis usually involves learning thousands or even millions of variables using only a limited number of samples. In this regard, sparse models, e.g. the lasso, are applied to select the optimal features and achieve high…

机器学习 · 计算机科学 2015-03-26 Bo Xin , Lingjing Hu , Yizhou Wang , Wen Gao

For neurological disorders and diseases, functional and anatomical connectomes of the human brain can be used to better inform targeted interventions and treatment strategies. Functional magnetic resonance imaging (fMRI) is a non-invasive…

统计方法学 · 统计学 2023-07-03 Matt Ryan , Gary Glonek , Jono Tuke , Melissa Humphries

Understanding the relationship between cognition and intrinsic brain activity through purely data-driven approaches remains a significant challenge in neuroscience. Resting-state functional magnetic resonance imaging (rs-fMRI) offers a…

机器学习 · 计算机科学 2024-11-01 Yutong Gao , Vince D. Calhoun , Robyn L. Miller

Understanding brain dynamics is important for neuroscience and mental health. Functional magnetic resonance imaging (fMRI) enables the measurement of neural activities through blood-oxygen-level-dependent (BOLD) signals, which represent…

神经元与认知 · 定量生物学 2025-06-16 Yifei Sun , Daniel Chahine , Qinghao Wen , Tianming Liu , Xiang Li , Yixuan Yuan , Fernando Calamante , Jinglei Lv

This article introduces an R package to perform statistical analysis for task-based fMRI data at both individual and group levels. The analysis to detect brain activation at the individual level is based on modeling the fMRI signal using…

应用统计 · 统计学 2021-11-03 Johnatan Cardona Jiménez

This paper studies change-points in human brain functional connectivity (FC) and seeks patterns that are common across multiple subjects under identical external stimulus. FC relates to the similarity of fMRI responses across different…

神经元与认知 · 定量生物学 2020-03-05 Mengyu Dai , Zhengwu Zhang , Anuj Srivastava

Resting state functional MRI (rs-fMRI) is a widespread and powerful tool for investigating functional connectivity and brain disorders. However, functional connectivity analysis can be seriously affected by random and structured noise from…

神经元与认知 · 定量生物学 2021-04-01 Yujian Diao , Ting Yin , Rolf Gruetter , Ileana O. Jelescu

Functional magnetic resonance imaging (fMRI) is one of the most popular methods for studying the human brain. Task-related fMRI data processing aims to determine which brain areas are activated when a specific task is performed and is…

信号处理 · 电气工程与系统科学 2022-10-18 Paris A. Karakasis , Athanasios P. Liavas , Nicholas D. Sidiropoulos , Panagiotis G. Simos , Efrosini Papadaki

Advances in neuroimaging techniques have provided us novel insights into understanding how the human mind works. Functional magnetic resonance imaging (fMRI) is the most popular and widely used neuroimaging technique, and there is growing…

神经元与认知 · 定量生物学 2022-06-15 Jihyun Hur , Jaeyeong Yang , Hoyoung Doh , Woo-Young Ahn

Resting-state functional MRI (rsfMRI) yields functional connectomes that can serve as cognitive fingerprints of individuals. Connectomic fingerprints have proven useful in many machine learning tasks, such as predicting subject-specific…

机器学习 · 计算机科学 2020-08-10 Gia H. Ngo , Meenakshi Khosla , Keith Jamison , Amy Kuceyeski , Mert R. Sabuncu

Recurrent neural networks (RNNs) were designed for dealing with time-series data and have recently been used for creating predictive models from functional magnetic resonance imaging (fMRI) data. However, gathering large fMRI datasets for…

图像与视频处理 · 电气工程与系统科学 2019-10-16 Nicha C. Dvornek , Xiaoxiao Li , Juntang Zhuang , James S. Duncan

Decoding visual stimuli from neural responses recorded by functional Magnetic Resonance Imaging (fMRI) presents an intriguing intersection between cognitive neuroscience and machine learning, promising advancements in understanding human…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Jingyuan Sun , Mingxiao Li , Zijiao Chen , Yunhao Zhang , Shaonan Wang , Marie-Francine Moens

Full data acquisition in MRI is inherently slow, which limits clinical throughput and increases patient discomfort. Compressed Sensing MRI (CS-MRI) seeks to accelerate acquisition by reconstructing images from under-sampled k-space data,…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Lev Ayzenberg , Shady Abu-Hussein , Raja Giryes , Hayit Greenspan

To develop a domain-agnostic, semi-supervised anomaly detection framework that integrates deep reinforcement learning (DRL) to address challenges such as large-scale data, overfitting, and class imbalance, focusing on brain MRI volumes.…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Zeduo Zhang , Yalda Mohsenzadeh

A brain microstate is characterized by a unique, fixed spatial distribution of electrically active neurons with time varying amplitude. It is hypothesized that a microstate implements a functional/physiological state of the brain during…

Brain regions are often topographically connected: nearby locations within one brain area connect with nearby locations in another area. Mapping these connection topographies, or 'connectopies' in short, is crucial for understanding how…

定量方法 · 定量生物学 2017-07-18 Koen V. Haak , Andre F. Marquand , Christian F. Beckmann