Search Results - "Wig, Gagan S"

Functional Network Organization of the Human Brain by Power, Jonathan D., Cohen, Alexander L., Nelson, Steven M., Wig, Gagan S., Barnes, Kelly Anne, Church, Jessica A., Vogel, Alecia C., Laumann, Timothy O., Miezin, Fran M., Schlaggar, Bradley L., Petersen, Steven E.

“…Real-world complex systems may be mathematically modeled as graphs, revealing properties of the system. Here we study graphs of functional brain organization…”
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Decreased segregation of brain systems across the healthy adult lifespan by Chan, Micaela Y, Park, Denise C, Savalia, Neil K, Petersen, Steven E, Wig, Gagan S

“…Healthy aging has been associated with decreased specialization in brain function. This characterization has focused largely on describing age-accompanied…”
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An approach for parcellating human cortical areas using resting-state correlations by Wig, Gagan S., Laumann, Timothy O., Petersen, Steven E.

“…Resting State Functional Connectivity (RSFC) reveals properties related to the brain's underlying organization and function. Features related to RSFC signals,…”
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Socioeconomic status moderates age-related differences in the brain’s functional network organization and anatomy across the adult lifespan by Chan, Micaela Y., Na, Jinkyung, Agres, Phillip F., Savalia, Neil K., Park, Denise C., Wig, Gagan S.

“…An individual’s environmental surroundings interact with the development and maturation of their brain. An important aspect of an individual’s environment is…”
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Prediction of Individual Brain Maturity Using fMRI by Dosenbach, Nico U. F., Nardos, Binyam, Cohen, Alexander L., Fair, Damien A., Power, Jonathan D., Church, Jessica A., Nelson, Steven M., Wig, Gagan S., Vogel, Alecia C., Lessov-Schlaggar, Christina N., Barnes, Kelly Anne, Dubis, Joseph W., Feczko, Eric, Coalson, Rebecca S., Pruett, John R., Barch, Deanna M., Petersen, Steven E., Schlaggar, Bradley L.

“…Group functional connectivity magnetic resonance imaging (fcAARI) studies have documented reliable changes in human functional brain maturity over development…”
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Interactions between transient and sustained neural signals support the generation and regulation of anxious emotion by Somerville, Leah H, Wagner, Dylan D, Wig, Gagan S, Moran, Joseph M, Whalen, Paul J, Kelley, William M

“…Anxious emotion can manifest on brief (threat response) and/or persistent (chronic apprehension and arousal) timescales, and prior work has suggested that…”
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Segregated Systems of Human Brain Networks by Wig, Gagan S.

“…The organization of the brain network enables its function. Evaluation of this organization has revealed that large-scale brain networks consist of multiple…”
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Relationship of prefrontal brain lateralization to optimal cognitive function differs with age by Hennessee, Joseph P., Webb, Christina E., Chen, Xi, Kennedy, Kristen M., Wig, Gagan S., Park, Denise C.

“…•We investigated the optimal patterns of prefrontal lateralization with age via fMRI.•The relationship of lateralization to cognition differed as a function of…”
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Reductions in cortical activity during priming by Schacter, Daniel L, Wig, Gagan S, Stevens, W Dale

“…Priming is a nonconscious form of memory in which an encounter with a stimulus influences the subsequent identification, production or classification of the…”
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A Parcellation Scheme for Human Left Lateral Parietal Cortex by Nelson, Steven M., Cohen, Alexander L., Power, Jonathan D., Wig, Gagan S., Miezin, Francis M., Wheeler, Mark E., Velanova, Katerina, Donaldson, David I., Phillips, Jeffrey S., Schlaggar, Bradley L., Petersen, Steven E.

“…The parietal lobe has long been viewed as a collection of architectonic and functional subdivisions. Though much parietal research has focused on mechanisms of…”
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Removal of high frequency contamination from motion estimates in single-band fMRI saves data without biasing functional connectivity by Gratton, Caterina, Dworetsky, Ally, Coalson, Rebecca S., Adeyemo, Babatunde, Laumann, Timothy O., Wig, Gagan S., Kong, Tania S., Gratton, Gabriele, Fabiani, Monica, Barch, Deanna M., Tranel, Daniel, Miranda-Dominguez, Oscar, Fair, Damien A., Dosenbach, Nico U.F., Snyder, Abraham Z., Perlmutter, Joel S., Petersen, Steven E., Campbell, Meghan C.

“…Denoising fMRI data requires assessment of frame-to-frame head motion and removal of the biases motion introduces. This is usually done through analysis of the…”
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Functional Parcellation of the Cerebral Cortex Across the Human Adult Lifespan by Han, Liang, Savalia, Neil K, Chan, Micaela Y, Agres, Phillip F, Nair, Anupama S, Wig, Gagan S

“…Abstract Adult aging is associated with differences in structure, function, and connectivity of brain areas. Age-based brain comparisons have typically rested…”
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Parcellating an individual subject's cortical and subcortical brain structures using snowball sampling of resting-state correlations by Wig, Gagan S, Laumann, Timothy O, Cohen, Alexander L, Power, Jonathan D, Nelson, Steven M, Glasser, Matthew F, Miezin, Francis M, Snyder, Abraham Z, Schlaggar, Bradley L, Petersen, Steven E

“…We describe methods for parcellating an individual subject's cortical and subcortical brain structures using resting-state functional correlations (RSFCs)…”
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Longitudinal changes in gray matter correspond to changes in cognition across the lifespan: implications for theories of cognition by Smith, Evan T., Hennessee, Joseph P., Wig, Gagan S., Frank, Sarah, Gonzalez, Hector, Bacci, Julia, Chan, Micaela, Carreno, Claudia A., Kennedy, Kristen M., Rodrigue, Karen M., Hertzog, Christopher, Park, Denise C.

“…The present study examines the association between gray matter volume and cognition. Studies that have examined this issue have focused primarily on older…”
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Hemispheric asymmetry of visual scene processing in the human brain: evidence from repetition priming and intrinsic activity by Stevens, W Dale, Kahn, Itamar, Wig, Gagan S, Schacter, Daniel L

“…Asymmetrical specialization of cognitive processes across the cerebral hemispheres is a hallmark of healthy brain development and an important evolutionary…”
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Neural correlates of humor detection and appreciation by Moran, Joseph M, Wig, Gagan S, Adams, Reginald B, Janata, Petr, Kelley, William M

“…Humor is a uniquely human quality whose neural substrates remain enigmatic. The present report combined dynamic, real-life content and event-related functional…”
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Medial temporal lobe BOLD activity at rest predicts individual differences in memory ability in healthy young adults by Wig, Gagan S, Grafton, Scott T, Demos, Kathryn E, Wolford, George L, Petersen, Steven E, Kelley, William M

“…Human beings differ in their ability to form and retrieve lasting long-term memories. To explore the source of these individual differences, we used functional…”
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Concepts and principles in the analysis of brain networks by Wig, Gagan S., Schlaggar, Bradley L., Petersen, Steven E.

“…The brain is a large‐scale network, operating at multiple levels of information processing ranging from neurons, to local circuits, to systems of brain areas…”
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Motion-related artifacts in structural brain images revealed with independent estimates of in-scanner head motion by Savalia, Neil K, Agres, Phillip F, Chan, Micaela Y, Feczko, Eric J, Kennedy, Kristen M, Wig, Gagan S

“…Motion-contaminated T1-weighted (T1w) magnetic resonance imaging (MRI) results in misestimates of brain structure. Because conventional T1w scans are not…”
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Participant diversity is necessary to advance brain aging research by Wig, Gagan S., Klausner, Sarah, Chan, Micaela Y., Sullins, Cameron, Rayanki, Anirudh, Seale, Maya

“…An absence of population-representative participant samples has limited research in healthy brain aging. We highlight examples of what can be gained by…”
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