Search Results - "Kangjoo Lee"

A Data-Driven Sparse GLM for fMRI Analysis Using Sparse Dictionary Learning With MDL Criterion by Lee, Kangjoo, Tak, Sungho, Ye, Jong Chul

“…We propose a novel statistical analysis method for functional magnetic resonance imaging (fMRI) to overcome the drawbacks of conventional data-driven methods…”
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Arousal impacts distributed hubs modulating the integration of brain functional connectivity by Lee, Kangjoo, Horien, Corey, O'Connor, David, Garand-Sheridan, Bronwen, Tokoglu, Fuyuze, Scheinost, Dustin, Lake, Evelyn M.R., Constable, R. Todd

“…Even when subjects are at rest, it is thought that brain activity is organized into distinct brain states during which reproducible patterns are observable…”
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Sparse SPM: Group Sparse-dictionary learning in SPM framework for resting-state functional connectivity MRI analysis by Lee, Young-Beom, Lee, Jeonghyeon, Tak, Sungho, Lee, Kangjoo, Na, Duk L., Seo, Sang Won, Jeong, Yong, Ye, Jong Chul

“…Recent studies of functional connectivity MR imaging have revealed that the default-mode network activity is disrupted in diseases such as Alzheimer's disease…”
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Disruption, emergence and lateralization of brain network hubs in mesial temporal lobe epilepsy by Lee, Kangjoo, Khoo, Hui Ming, Lina, Jean-Marc, Dubeau, François, Gotman, Jean, Grova, Christophe

“…Hubs of brain networks are brain regions exhibiting denser connections than others, promoting long-range communication. Studies suggested the reorganization of…”
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Automatic classification and removal of structured physiological noise for resting state functional connectivity MRI analysis by Lee, Kangjoo, Khoo, Hui Ming, Fourcade, Constance, Gotman, Jean, Grova, Christophe

“…Resting state functional magnetic resonance imaging is used to study how brain regions are functionally connected by measuring temporal correlation of the fMRI…”
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Low-motion fMRI data can be obtained in pediatric participants undergoing a 60-minute scan protocol by Horien, Corey, Fontenelle, Scuddy, Joseph, Kohrissa, Powell, Nicole, Nutor, Chaela, Fortes, Diogo, Butler, Maureen, Powell, Kelly, Macris, Deanna, Lee, Kangjoo, Greene, Abigail S., McPartland, James C., Volkmar, Fred R., Scheinost, Dustin, Chawarska, Katarzyna, Constable, R. Todd

“…Performing functional magnetic resonance imaging (fMRI) scans of children can be a difficult task, as participants tend to move while being scanned. Head…”
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SPARK: Sparsity-based analysis of reliable k-hubness and overlapping network structure in brain functional connectivity by Lee, Kangjoo, Lina, Jean-Marc, Gotman, Jean, Grova, Christophe

“…Functional hubs are defined as the specific brain regions with dense connections to other regions in a functional brain network. Among them, connector hubs are…”
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An altered balance of integrated and segregated brain activity is a marker of cognitive deficits following sleep deprivation by Cross, Nathan E, Pomares, Florence B, Nguyen, Alex, Perrault, Aurore A, Jegou, Aude, Uji, Makoto, Lee, Kangjoo, Razavipour, Fatemeh, Ali, Obaï Bin Ka'b, Aydin, Umit, Benali, Habib, Grova, Christophe, Dang-Vu, Thien Thanh

“…Sleep deprivation (SD) leads to impairments in cognitive function. Here, we tested the hypothesis that cognitive changes in the sleep-deprived brain can be…”
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Detection of abnormal resting-state networks in individual patients suffering from focal epilepsy: an initial step toward individual connectivity assessment by Dansereau, Christian L, Bellec, Pierre, Lee, Kangjoo, Pittau, Francesca, Gotman, Jean, Grova, Christophe

“…The spatial coherence of spontaneous slow fluctuations in the blood-oxygen-level dependent (BOLD) signal at rest is routinely used to characterize the…”
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A protocol for working with open-source neuroimaging datasets by Horien, Corey, Lee, Kangjoo, Westwater, Margaret L., Noble, Stephanie, Tejavibulya, Link, Kayani, Teimur, Constable, R. Todd, Scheinost, Dustin

“…Large, publicly available neuroimaging datasets are becoming increasingly common, but their use presents challenges because of insufficient knowledge of the…”
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Statistical parametric mapping of FMRI data using sparse dictionary learning by Kangjoo Lee, Jong Chul Ye

“…Statistical parametric mapping (SPM) of functional magnetic resonance imaging (fMRI) uses a canonical hemodynamic response function (HRF) to construct the…”
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A data-driven spatially adaptive sparse generalized linear model for functional MRI analysis by Kangjoo Lee, Sungho Tak, Jong Chul Ye

“…A novel data-driven sparse generalized linear model (GLM) and statistical analysis method for fMRI is developed. Although independent component analysis (ICA)…”
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Visible-Light-Induced DDQ-Catalyzed Fluorocarbamoylation Using CF3SO2Na and Oxygen by Cho, Huijeong, Jang, Seonga, Lee, Kangjoo, Cha, Dohoon, Min, Sun-Joon

“…The synthesis of carbamoyl fluorides via visible-light induced DDQ catalysis of secondary amines is described. This protocol employs sodium trifluorosulfinate…”
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Visible-Light-Induced DDQ-Catalyzed Fluorocarbamoylation Using CF 3 SO 2 Na and Oxygen by Cho, Huijeong, Jang, Seonga, Lee, Kangjoo, Cha, Dohoon, Min, Sun-Joon

“…The synthesis of carbamoyl fluorides via visible-light induced DDQ catalysis of secondary amines is described. This protocol employs sodium trifluorosulfinate…”
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Zero Energy Heating of Solvent with Network-Structured Solar-Thermal Material: Eco-Friendly Palladium Catalysis of the Suzuki Reaction by Park, Seungbeom, Park, Woomin, Lee, Kangjoo, Min, Sun-Joon, Jang, Kwang-Suk

“…Solar-thermal materials absorb sunlight and convert it into heat, which is released into the surrounding medium. Utilization of solar energy for solvent…”
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217. Mapping Individually Actionable Brain-Behavior Space Variation Across the Mood Spectrum by Berkovitch, Lucie, Fonteneau, Clara, Lee, Kangjoo, Ji, Jie Lisa, Demšar, Jure, Tamayo, Zailyn, Murray, John, Repovš, Grega, Anticevic, Alan

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Polypyrrole@Pd solar-thermal catalyst for eco-friendly and scalable multiphasic Suzuki coupling reactions by Park, Seungbeom, Lee, Dongchan, Lee, Kangjoo, Min, Sun-Joon, Jang, Kwang-Suk

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41. Neurobehavioral Mapping of Posttraumatic Stress Disorder Development in Recent Trauma Survivors by Ben-Zion, Ziv, Lee, Kangjoo, Fonteneau, Clara, Liberzon, Israel, Shalev, Arieh Y., Hendler, Talma, Levy, Ifat, Anticevic, Alan, Harpaz-Rotem, Ilan

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450. Symptom Severity of Sample Population Impacts the Reproducibility of Neuro-Symptom Relationship in Psychosis by Lee, Kangjoo, Fonteneau, Clara, Price, Ally, Berkovitch, Lucie, Ji, Jie Lisa, Tamayo, Zailyn, Afriyie-Agyemang, Yvette, Howell, Amber, Repovš, Grega, Murray, John D., Cho, Youngsun, Anticevic, Alan

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Human Brain State Dynamics Reflect Individual Neuro-Phenotypes by Lee, Kangjoo, Ji, Jie Lisa, Fonteneau, Clara, Berkovitch, Lucie, Rahmati, Masih, Pan, Lining, Repovš, Grega, Krystal, John H., Murray, John D., Anticevic, Alan

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