Search Results - "Coombes, Stephen"

Next generation neural population models by Coombes, Stephen

“…Low-dimensional neural mass models are often invoked to model the coarse-grained activity of large populations of neurons and synapses and have been used to…”
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A Template and Probabilistic Atlas of the Human Sensorimotor Tracts using Diffusion MRI by Archer, Derek B, Vaillancourt, David E, Coombes, Stephen A

“…Abstract The purpose of this study was to develop a high-resolution sensorimotor area tract template (SMATT) which segments corticofugal tracts based on 6…”
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Pain and motor processing in the human cerebellum by Coombes, Stephen A., Misra, Gaurav

“…Pain-related adaptations in movement require a network architecture that allows for integration across pain and motor circuits. Previous studies addressing…”
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Cognitive and brain morphological deviations in middle-to-old aged autistic adults: A systematic review and meta-analysis by Wang, Jingying, Christensen, Danielle, Coombes, Stephen A., Wang, Zheng

“…Cognitive challenges and brain structure variations are common in autism spectrum disorder (ASD) but are rarely explored in middle-to-old aged autistic adults…”
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The effect of chronic low back pain on postural control during quiet standing: A meta-analysis by Park, Jinhan, Nguyen, Vinh Q., Ho, Rachel L. M., Coombes, Stephen A.

“…Low back pain (LBP) has been associated with altered body sway during quiet standing, but the pattern of results is inconsistent. The purpose of this…”
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Neuroimaging Evidence of Motor Control and Pain Processing in the Human Midcingulate Cortex by Misra, Gaurav, Coombes, Stephen A

“…Human neuroimaging and virus-tracing studies in monkey predict that motor control and pain processes should overlap in anterior midcingulate cortex (aMCC), but…”
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Neurite orientation dispersion and density imaging (NODDI) and free‐water imaging in Parkinsonism by Mitchell, Trina, Archer, Derek B., Chu, Winston T., Coombes, Stephen A., Lai, Song, Wilkes, Bradley J., McFarland, Nikolaus R., Okun, Michael S., Black, Mieniecia L., Herschel, Ellen, Simuni, Tanya, Comella, Cynthia, Xie, Tao, Li, Hong, Parrish, Todd B., Kurani, Ajay S., Corcos, Daniel M., Vaillancourt, David E.

“…Neurite orientation dispersion and density imaging (NODDI) uses a three‐compartment model to probe brain tissue microstructure, whereas free‐water (FW) imaging…”
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Automated classification of pain perception using high-density electroencephalography data by Misra, Gaurav, Wang, Wei-En, Archer, Derek B, Roy, Arnab, Coombes, Stephen A

“…The translation of brief, millisecond-long pain-eliciting stimuli to the subjective perception of pain is associated with changes in theta, alpha, beta, and…”
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Pain-Related Suppression of Beta Oscillations Facilitates Voluntary Movement by Misra, Gaurav, Ofori, Edward, Chung, Jae Woo, Coombes, Stephen A

“…Increased beta oscillations over sensorimotor cortex are antikinetic. Motor- and pain-related processes separately suppress beta oscillations over sensorimotor…”
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Increased force variability in chronic stroke: contributions of force modulation below 1 Hz by Lodha, Neha, Misra, Gaurav, Coombes, Stephen A, Christou, Evangelos A, Cauraugh, James H

“…Increased force variability constitutes a hallmark of arm disabilities following stroke. Force variability is related to the modulation of force below 1 Hz in…”
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The effect of age on alpha rhythms in the human brain derived from source localized resting-state electroencephalography by Park, Jinhan, Ho, Rachel L.M., Wang, Wei-en, Nguyen, Vinh Q., Coombes, Stephen A.

“…•We applied single dipole source localization and meta-analysis in age-related alpha rhythm research.•The elderly group showed slower alpha rhythms and reduced…”
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Relationships Between Neuronal Oscillatory Amplitude and Dynamic Functional Connectivity by Tewarie, Prejaas, Hunt, Benjamin A E, O’Neill, George C, Byrne, Aine, Aquino, Kevin, Bauer, Markus, Mullinger, Karen J, Coombes, Stephen, Brookes, Matthew J

“…Abstract Event-related fluctuations of neural oscillatory amplitude are reported widely in the context of cognitive processing and are typically interpreted as…”
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Unraveling somatotopic organization in the human brain using machine learning and adaptive supervoxel-based parcellations by See, Kyle B., Arpin, David J., Vaillancourt, David E., Fang, Ruogu, Coombes, Stephen A.

“…In addition to the well-established somatotopy in the pre- and post-central gyrus, there is now strong evidence that somatotopic organization is evident across…”
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3D Cortical electrophysiology of ballistic upper limb movement in humans by Ofori, Edward, Coombes, Stephen A, Vaillancourt, David E

“…Precise motor control requires the ability to scale the parameters of movement. Theta oscillations across the cortex have been associated with changes in…”
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Association of Cognitive Impairment With Free Water in the Nucleus Basalis of Meynert and Locus Coeruleus to Transentorhinal Cortex Tract by Chu, Winston Thomas, Wang, Wei-en, Zaborszky, Laszlo, Golde, Todd Eliot, DeKosky, Steven, Duara, Ranjan, Loewenstein, David A., Adjouadi, Malek, Coombes, Stephen A., Vaillancourt, David E.

“…The goal of this work was to determine the relationship between diffusion microstructure and early changes in Alzheimer disease (AD) severity as assessed by…”
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Functional imaging of the brainstem during visually-guided motor control reveals visuomotor regions in the pons and midbrain by Chu, Winston T., Mitchell, Trina, Foote, Kelly D., Coombes, Stephen A., Vaillancourt, David E.

“…Integrating visual information for motor output is an essential process of visually-guided motor control. The brainstem is known to be a major center involved…”
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Lower individual alpha frequency in individuals with chronic low back pain and fear of movement by Ho, Rachel L M, Park, Jinhan, Wang, Wei-En, Thomas, James S, Cruz-Almeida, Yenisel, Coombes, Stephen A

“…Significant progress has been made in linking measures of individual alpha frequency (IAF) and pain. A lower IAF has been associated with chronic neuropathic…”
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Development of a transcallosal tractography template and its application to dementia by Archer, Derek B., Coombes, Stephen A., McFarland, Nikolaus R., DeKosky, Steven T., Vaillancourt, David E.

“…Understanding the architecture of transcallosal connections would allow for more specific assessments of neurodegeneration across many fields of neuroscience,…”
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A widespread visually-sensitive functional network relates to symptoms in essential tremor by Archer, Derek B, Coombes, Stephen A, Chu, Winston T, Chung, Jae Woo, Burciu, Roxana G, Okun, Michael S, Wagle Shukla, Aparna, Vaillancourt, David E

“…It is unclear why tremor amplitude differs among patients with essential tremor. Archer et al. report that activity within a widespread visually-sensitive…”
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Free‐water and free‐water corrected fractional anisotropy in primary and premotor corticospinal tracts in chronic stroke by Archer, Derek B., Patten, Carolynn, Coombes, Stephen A.

“…Measures from diffusion MRI have been used to characterize the corticospinal tract in chronic stroke. However, diffusivity can be influenced by partial volume…”
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