Search Results - "Tobyne, Sean M."

Topographic Cortico-cerebellar Networks Revealed by Visual Attention and Working Memory by Brissenden, James A., Tobyne, Sean M., Osher, David E., Levin, Emily J., Halko, Mark A., Somers, David C.

“…Substantial portions of the cerebellum appear to support non-motor functions; however, previous investigations of cerebellar involvement in cognition have…”
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Stimulus-Specific Visual Working Memory Representations in Human Cerebellar Lobule VIIb/VIIIa by Brissenden, James A, Tobyne, Sean M, Halko, Mark A, Somers, David C

“…fMRI research has revealed that cerebellar lobule VIIb/VIIIa exhibits load-dependent activity that increases with the number of items held in visual working…”
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Spectral partitioning identifies individual heterogeneity in the functional network topography of ventral and anterior medial prefrontal cortex by Toro-Serey, Claudio, Tobyne, Sean M., McGuire, Joseph T.

“…Regions of human medial prefrontal cortex (mPFC) and posterior cingulate cortex (PCC) are part of the default network (DN), and additionally are implicated in…”
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High risk of postpartum relapses in neuromyelitis optica spectrum disorder by Klawiter, Eric C, Bove, Riley, Elsone, Liene, Alvarez, Enrique, Borisow, Nadja, Cortez, Melissa, Mateen, Farrah, Mealy, Maureen A, Sorum, Jaime, Mutch, Kerry, Tobyne, Sean M, Ruprecht, Klemens, Buckle, Guy, Levy, Michael, Wingerchuk, Dean, Paul, Friedemann, Cross, Anne H, Jacobs, Anu, Chitnis, Tanuja, Weinshenker, Brian

“…OBJECTIVE:To study the effect of pregnancy on the frequency of neuromyelitis optica spectrum disorder (NMOSD) relapse and evaluate rates of pregnancy-related…”
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Gradients of functional organization in posterior parietal cortex revealed by visual attention, visual short-term memory, and intrinsic functional connectivity by Lefco, Ray W., Brissenden, James A., Noyce, Abigail L., Tobyne, Sean M., Somers, David C.

“…Visual attention and visual working memory tasks recruit a common network of lateral frontal cortical (LFC) and posterior parietal cortical (PPC) regions…”
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Corpus callosum axon diameter relates to cognitive impairment in multiple sclerosis by Huang, Susie Y., Fan, Qiuyun, Machado, Natalya, Eloyan, Ani, Bireley, John D., Russo, Andrew W., Tobyne, Sean M., Patel, Kevin R., Brewer, Kristina, Rapaport, Sarah F., Nummenmaa, Aapo, Witzel, Thomas, Sherman, Janet C., Wald, Lawrence L., Klawiter, Eric C.

“…Objective To evaluate alterations in apparent axon diameter and axon density obtained by high‐gradient diffusion MRI in the corpus callosum of MS patients and…”
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Age-related alterations in axonal microstructure in the corpus callosum measured by high-gradient diffusion MRI by Fan, Qiuyun, Tian, Qiyuan, Ohringer, Ned A., Nummenmaa, Aapo, Witzel, Thomas, Tobyne, Sean M., Klawiter, Eric C., Mekkaoui, Choukri, Rosen, Bruce R., Wald, Lawrence L., Salat, David H., Huang, Susie Y.

“…Cerebral white matter exhibits age-related degenerative changes during the course of normal aging, including decreases in axon density and alterations in…”
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Extended Frontal Networks for Visual and Auditory Working Memory by Noyce, Abigail L, Lefco, Ray W, Brissenden, James A, Tobyne, Sean M, Shinn-Cunningham, Barbara G, Somers, David C

“…Abstract Working memory (WM) supports the persistent representation of transient sensory information. Visual and auditory stimuli place different demands on WM…”
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Prediction of individualized task activation in sensory modality-selective frontal cortex with ‘connectome fingerprinting’ by Tobyne, Sean M., Somers, David C., Brissenden, James A., Michalka, Samantha W., Noyce, Abigail L., Osher, David E.

“…The human cerebral cortex is estimated to comprise 200–300 distinct functional regions per hemisphere. Identification of the precise anatomical location of an…”
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Sensory-biased attention networks in human lateral frontal cortex revealed by intrinsic functional connectivity by Tobyne, Sean M., Osher, David E., Michalka, Samantha W., Somers, David C.

“…Human frontal cortex is commonly described as being insensitive to sensory modality, however several recent studies cast doubt on this view. Our laboratory…”
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Characterization of Axonal Disease in Patients with Multiple Sclerosis Using High-Gradient-Diffusion MR Imaging by Huang, Susie Y, Tobyne, Sean M, Nummenmaa, Aapo, Witzel, Thomas, Wald, Lawrence L, McNab, Jennifer A, Klawiter, Eric C

“…Purpose To evaluate the ability of high-gradient-diffusion magnetic resonance (MR) imaging by using gradient strengths of up to 300 mT/m to depict axonal…”
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Associations between corpus callosum damage, clinical disability, and surface-based homologous inter-hemispheric connectivity in multiple sclerosis by Russo, Andrew W., Stockel, Kirsten E., Tobyne, Sean M., Ngamsombat, Chanon, Brewer, Kristina, Nummenmaa, Aapo, Huang, Susie Y., Klawiter, Eric C.

“…Axonal damage in the corpus callosum is prevalent in multiple sclerosis (MS). Although callosal damage is associated with disrupted functional connectivity…”
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Cooperative interactions between hippocampal and striatal systems support flexible navigation by Brown, Thackery I., Ross, Robert S., Tobyne, Sean M., Stern, Chantal E.

“…Research in animals and humans has demonstrated that the hippocampus is critical for retrieving distinct representations of overlapping sequences of…”
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The effect of ibudilast on thalamic volume in progressive multiple sclerosis by Nicholson, Showly, Russo, Andrew W, Brewer, Kristina, Bien, Heidi, Tobyne, Sean M, Eloyan, Ani, Klawiter, Eric C

“…Background: Thalamic volume loss is known to be associated with clinical and cognitive disability in progressive multiple sclerosis (PMS). Objective: To…”
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Converging Meta-Analytic and Connectomic Evidence for Functional Subregions Within the Human Retrosplenial Region by Chrastil, Elizabeth R, Tobyne, Sean M, Nauer, Rachel K, Chang, Allen E, Stern, Chantal E

“…Interest in the retrosplenial cortex (RSC) has surged in recent years, as this region has been implicated in a range of cognitive processes. Previously…”
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A surface-based technique for mapping homotopic interhemispheric connectivity: Development, characterization, and clinical application by Tobyne, Sean M., Boratyn, Daria, Johnson, Jessica A., Greve, Douglas N., Mainero, Caterina, Klawiter, Eric C.

“…The functional organization of the human brain consists of a high degree of connectivity between interhemispheric homologous regions. The degree of homotopic…”
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Cognitive impairment and the regional distribution of cerebellar lesions in multiple sclerosis by Tobyne, Sean M, Ochoa, Wilson B, Bireley, J Daniel, Smith, Victoria MJ, Geurts, Jeroen JG, Schmahmann, Jeremy D, Klawiter, Eric C

“…Background: Cerebellar lesions are often reported in relapsing-remitting multiple sclerosis (RRMS) and have been associated with impaired motor function and…”
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Individual subject approaches to mapping sensory-biased and multiple-demand regions in human frontal cortex by Somers, David C, Michalka, Samantha W, Tobyne, Sean M, Noyce, Abigail L

“…•Deep imaging reveals multiple sensory-biased regions in lateral frontal cortex.•Resting-state fMRI functional connectivity confirms sensory-biased…”
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Anterior Insular Resting‐State Functional Connectivity is Related to Cognitive Reserve in Multiple Sclerosis by Bizzo, Bernardo Canedo, Arruda‐Sanchez, Tiago, Tobyne, Sean M, Bireley, John Daniel, Lev, Michael Howard, Gasparetto, Emerson Leandro, Klawiter, Eric C

“…ABSTRACT BACKGROUND AND PURPOSE Cognitive dysfunction is common in multiple sclerosis (MS). The dorsal anterior insula (dAI) is a key hub of the salience…”
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Individual retinotopic organization in human intraparietal sulcus predicted by connectivity fingerprinting by Brissenden, James A, Tobyne, Sean M, Lefco, Ray W, Somers, David C

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