Search Results - "Saad, Ziad S"

Tracking ongoing cognition in individuals using brief, whole-brain functional connectivity patterns by Gonzalez-Castillo, Javier, Hoy, Colin W, Handwerker, Daniel A, Robinson, Meghan E, Buchanan, Laura C, Saad, Ziad S, Bandettini, Peter A

“…Functional connectivity (FC) patterns in functional MRI exhibit dynamic behavior on the scale of seconds, with rich spatiotemporal structure and limited sets…”
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Applications of multivariate modeling to neuroimaging group analysis: A comprehensive alternative to univariate general linear model by Chen, Gang, Adleman, Nancy E., Saad, Ziad S., Leibenluft, Ellen, Cox, Robert W.

“…All neuroimaging packages can handle group analysis with t-tests or general linear modeling (GLM). However, they are quite hamstrung when there are multiple…”
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Two distinct forms of functional lateralization in the human brain by Gotts, Stephen J, Jo, Hang Joon, Wallace, Gregory L, Saad, Ziad S, Cox, Robert W, Martin, Alex

“…The hemispheric lateralization of certain faculties in the human brain has long been held to be beneficial for functioning. However, quantitative relationships…”
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The perils of global signal regression for group comparisons: a case study of Autism Spectrum Disorders by Gotts, Stephen J, Saad, Ziad S, Jo, Hang Joon, Wallace, Gregory L, Cox, Robert W, Martin, Alex

“…We have previously argued from a theoretical basis that the standard practice of regression of the Global Signal from the fMRI time series in functional…”
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Integrated strategy for improving functional connectivity mapping using multiecho fMRI by Kundu, Prantik, Brenowitz, Noah D., Voon, Valerie, Worbe, Yulia, Vértes, Petra E., Inati, Souheil J., Saad, Ziad S., Bandettini, Peter A., Bullmore, Edward T.

“…Functional connectivity analysis of resting state blood oxygen level–dependent (BOLD) functional MRI is widely used for noninvasively studying brain functional…”
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Whole-brain, time-locked activation with simple tasks revealed using massive averaging and model-free analysis by Gonzalez-Castillo, Javier, Saad, Ziad S, Handwerker, Daniel A, Inati, Souheil J, Brenowitz, Noah, Bandettini, Peter A

“…The brain is the body's largest energy consumer, even in the absence of demanding tasks. Electrophysiologists report on-going neuronal firing during…”
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The effects of inhibition of fatty acid amide hydrolase (FAAH) by JNJ-42165279 in social anxiety disorder: a double-blind, randomized, placebo-controlled proof-of-concept study by Schmidt, Mark E, Liebowitz, Michael R, Stein, Murray B, Grunfeld, Jennifer, Van Hove, Ilse, Simmons, W Kyle, Van Der Ark, Peter, Palmer, James A, Saad, Ziad S, Pemberton, Darrel J, Van Nueten, Luc, Drevets, Wayne C

“…JNJ-42165279 is a selective inhibitor of fatty acid amide hydrolase (FAAH), the enzyme responsible for the degradation of fatty acid amides (FAA) including…”
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Trouble at rest: how correlation patterns and group differences become distorted after global signal regression by Saad, Ziad S, Gotts, Stephen J, Murphy, Kevin, Chen, Gang, Jo, Hang Joon, Martin, Alex, Cox, Robert W

“…Resting-state functional magnetic resonance imaging (RS-FMRI) holds the promise of revealing brain functional connectivity without requiring specific tasks…”
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A new method for improving functional-to-structural MRI alignment using local Pearson correlation by Saad, Ziad S., Glen, Daniel R., Chen, Gang, Beauchamp, Michael S., Desai, Rutvik, Cox, Robert W.

“…Accurate registration of Functional Magnetic Resonance Imaging (FMRI) T2⁎-weighted volumes to same-subject high-resolution T1-weighted structural volumes is…”
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The spatial structure of resting state connectivity stability on the scale of minutes by Gonzalez-Castillo, Javier, Handwerker, Daniel A, Robinson, Meghan E, Hoy, Colin Weir, Buchanan, Laura C, Saad, Ziad S, Bandettini, Peter A

“…Resting state functional MRI (rsfMRI) connectivity patterns are not temporally stable, but fluctuate in time at scales shorter than most common rest scan…”
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Effective Preprocessing Procedures Virtually Eliminate Distance-Dependent Motion Artifacts in Resting State FMRI by Gotts, Stephen J., Jo, Hang Joon, Reynolds, Richard C., Bandettini, Peter A., Martin, Alex, Cox, Robert W., Saad, Ziad S.

“…Artifactual sources of resting-state (RS) FMRI can originate from head motion, physiology, and hardware. Of these sources, motion has received considerable…”
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Defining functional SMA and pre-SMA subregions in human MFC using resting state fMRI: Functional connectivity-based parcellation method by Kim, Jae-Hun, Lee, Jong-Min, Jo, Hang Joon, Kim, Sook Hui, Lee, Jung Hee, Kim, Sung Tae, Seo, Sang Won, Cox, Robert W., Na, Duk L., Kim, Sun I., Saad, Ziad S.

“…Noninvasive parcellation of the human cerebral cortex is an important goal for understanding and examining brain functions. Recently, the patterns of…”
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The developmental trajectory of brain-scalp distance from birth through childhood: implications for functional neuroimaging by Beauchamp, Michael S, Beurlot, Michelle R, Fava, Eswen, Nath, Audrey R, Parikh, Nehal A, Saad, Ziad S, Bortfeld, Heather, Oghalai, John S

“…Measurements of human brain function in children are of increasing interest in cognitive neuroscience. Many techniques for brain mapping used in children,…”
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Shifts in connectivity during procedural learning after motor cortex stimulation: A combined transcranial magnetic stimulation/functional magnetic resonance imaging study by Steel, Adam, Song, Sunbin, Bageac, Devin, Knutson, Kristine M., Keisler, Aysha, Saad, Ziad S., Gotts, Stephen J., Wassermann, Eric M., Wilkinson, Leonora

“…Inhibitory transcranial magnetic stimulation (TMS), of which continuous theta burst stimulation (cTBS) is a common form, has been used to inhibit cortical…”
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Neanderthal-Derived Genetic Variation Shapes Modern Human Cranium and Brain by Gregory, Michael D., Kippenhan, J. Shane, Eisenberg, Daniel P., Kohn, Philip D., Dickinson, Dwight, Mattay, Venkata S., Chen, Qiang, Weinberger, Daniel R., Saad, Ziad S., Berman, Karen F.

“…Before their disappearance from the fossil record approximately 40,000 years ago, Neanderthals, the ancient hominin lineage most closely related to modern…”
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Temporal similarity perfusion mapping: A standardized and model-free method for detecting perfusion deficits in stroke by Song, Sunbin, Bokkers, Reinoud P H, Luby, Marie, Edwardson, Matthew A, Brown, Tyler, Shah, Shreyansh, Cox, Robert W, Saad, Ziad S, Reynolds, Richard C, Glen, Daniel R, Cohen, Leonardo G, Latour, Lawrence L

“…Interpretation of the extent of perfusion deficits in stroke MRI is highly dependent on the method used for analyzing the perfusion-weighted signal intensity…”
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Contagious yawning and the frontal lobe: An fMRI study by Nahab, Fatta B., Hattori, Noriaki, Saad, Ziad S., Hallett, Mark

“…We conducted a slow event‐related fMRI experiment with naïve subjects' passively viewing yawn and various other control videos along with correlative…”
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Quantifying agreement between anatomical and functional interhemispheric correspondences in the resting brain by Jo, Hang Joon, Saad, Ziad S, Gotts, Stephen J, Martin, Alex, Cox, Robert W

“…The human brain is composed of two broadly symmetric cerebral hemispheres, with an abundance of reciprocal anatomical connections between homotopic locations…”
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Functional neuroanatomy of human voluntary cough and sniff production by Simonyan, Kristina, Saad, Ziad S., Loucks, Torrey M.J., Poletto, Christopher J., Ludlow, Christy L.

“…Cough and sniff are both spontaneous respiratory behaviors that can be initiated voluntarily in humans. Disturbances of cough may be life threatening, while…”
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Effects of image contrast on functional MRI image registration by Gonzalez-Castillo, Javier, Duthie, Kristen N., Saad, Ziad S., Chu, Carlton, Bandettini, Peter A., Luh, Wen-Ming

“…Lack of tissue contrast and existing inhomogeneous bias fields from multi-channel coils have the potential to degrade the output of registration algorithms;…”
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