Search Results - "Brown, Katlyn E."

Long-term effects of concussion on relevancy-based modulation of somatosensory-evoked potentials by Tennant, Jake R., Adams, Meaghan S., Brown, Katlyn E., Staines, W. Richard

“…•Concussions impair sensory processing at early cortical processing stages.•These effects appear to be chronic, lasting several years following the injury.•The…”
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Acute Exercise Modulates the Excitability of Specific Interneurons in Human Motor Cortex by Neva, Jason L., Brown, Katlyn E., Peters, Sue, Feldman, Samantha J., Mahendran, Niruthikha, Boisgontier, Matthieu P., Boyd, Lara A.

“…•Results provide further evidence of distinct motor cortex (M1) interneurons.•AP corticospinal excitability increased after acute exercise.•AP intracortical…”
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Promoting Motor Cortical Plasticity with Acute Aerobic Exercise: A Role for Cerebellar Circuits by Campbell, Kristin L., Snow, Nicholas J., Neva, Jason L., Brown, Katlyn E., Mang, Cameron S., Boyd, Lara A.

“…Acute aerobic exercise facilitated long-term potentiation-like plasticity in the human primary motor cortex (M1). Here, we investigated the effect of acute…”
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Cortical processing of irrelevant somatosensory information from the leg is altered by attention during early movement preparation by Peters, Sue, Brown, Katlyn E., Garland, S. Jayne, Staines, W. Richard, Handy, Todd C., Francisco, Beatrice A., Boyd, Lara A.

“…•Sensory gating during preparation occurs when attention directed within the same leg.•When attending to the leg, gating occurs in early preparation (>500 ms…”
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Investigating Cerebellar Modulation of Premovement Beta-Band Activity during Motor Adaptation by Kaethler, Lynea B, Brown, Katlyn E, Meehan, Sean K, Staines, W. Richard

“…Enhancing cerebellar activity influences motor cortical activity and contributes to motor adaptation, though it is unclear which neurophysiological mechanisms…”
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Changes in Cortical Activation by Transcranial Magnetic Stimulation Due to Coil Rotation Are Not Attributable to Cranial Muscle Activation by Mancuso, Marco, Cruciani, Alessandro, Sveva, Valerio, Casula, Elias, Brown, Katlyn E, Di Lazzaro, Vincenzo, Rothwell, John C, Rocchi, Lorenzo

“…Transcranial magnetic stimulation coupled with electroencephalography (TMS-EEG) allows for the study of brain dynamics in health and disease. Cranial muscle…”
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Task-relevancy effects on movement-related gating are modulated by continuous theta-burst stimulation of the dorsolateral prefrontal cortex and primary somatosensory cortex by Brown, Katlyn E., Ferris, Jennifer K., Amanian, Mohammad A., Staines, W. Richard, Boyd, Lara A.

“…Movement-related gating ensures that decreased somatosensory information from external stimulation reaches the cortex during movement when compared to resting…”
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Transient inhibition of the dorsolateral prefrontal cortex disrupts somatosensory modulation during standing balance as measured by electroencephalography by Bolton, David A.E, Brown, Katlyn E, McIlroy, William E, Staines, W Richard

“…Several studies have shown that a light fingertip touch on a stable surface reduces body sway for individuals standing with their eyes closed even when touch…”
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Influence of post-stroke fatigue on reaction times and corticospinal excitability during movement preparation by De Doncker, William, Brown, Katlyn E., Kuppuswamy, Annapoorna

“…•Higher the fatigue, lesser the inhibition in movement preparation in stroke survivors.•Higher the fatigue, lesser the pre-movement facilitation and slower the…”
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A case of congenital hypoplasia of the left cerebellar hemisphere and ipsilateral cortical myoclonus by Rocchi, Lorenzo, Latorre, Anna, Ibanez Pereda, Jaime, Spampinato, Danny, Brown, Katlyn E., Rothwell, John, Bhatia, Kailash

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Imaging in Pediatric Concussion: A Systematic Review by Schmidt, Julia, Hayward, Kathryn S, Brown, Katlyn E, Zwicker, Jill G, Ponsford, Jennie, van Donkelaar, Paul, Babul, Shelina, Boyd, Lara A

“…Pediatric mild traumatic brain injury (mTBI) is a common and poorly understood injury. Neuroimaging indexes brain injury and outcome after pediatric mTBI, but…”
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Standard intensities of transcranial alternating current stimulation over the motor cortex do not entrain corticospinal inputs to motor neurons by Ibáñez, Jaime, Zicher, Blanka, Brown, Katlyn E., Rocchi, Lorenzo, Casolo, Andrea, Del Vecchio, Alessandro, Spampinato, Danny, Vollette, Carole‐Anne, Rothwell, John C., Baker, Stuart N., Farina, Dario

“…Transcranial alternating current stimulation (TACS) is commonly used to synchronize a cortical area and its outputs to the stimulus waveform, but gathering…”
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Evidence for a Window of Enhanced Plasticity in the Human Motor Cortex Following Ischemic Stroke by Hordacre, Brenton, Austin, Duncan, Brown, Katlyn E., Graetz, Lynton, Pareés, Isabel, De Trane, Stefania, Vallence, Ann-Maree, Koblar, Simon, Kleinig, Timothy, McDonnell, Michelle N., Greenwood, Richard, Ridding, Michael C., Rothwell, John C.

“…Background In preclinical models, behavioral training early after stroke produces larger gains compared with delayed training. The effects are thought to be…”
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Evidence of altered interhemispheric communication after pediatric concussion by Schmidt, Julia, Brown, Katlyn E., Feldman, Samantha J., Babul, Shelina, Zwicker, Jill G., Boyd, Lara A.

“…OBJECTIVES: To investigate neurophysiological alterations within the typical symptomatic period after concussion (1-month) and throughout recovery (6-months)…”
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Diffusion imaging and transcranial magnetic stimulation assessment of transcallosal pathways in chronic stroke by Mang, Cameron S, Borich, Michael R, Brodie, Sonia M, Brown, Katlyn E, Snow, Nicholas J, Wadden, Katie P, Boyd, Lara A

“…Highlights • Both transcallosal pathway structure and neurophysiologic function is altered by stroke. • The impact of transcallosal pathway status on motor…”
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Type-2 diabetes mellitus reduces cortical thickness and decreases oxidative metabolism in sensorimotor regions after stroke by Ferris, Jennifer K, Peters, Sue, Brown, Katlyn E, Tourigny, Katherine, Boyd, Lara A

“…Individuals with type-2 diabetes mellitus experience poor motor outcomes after ischemic stroke. Recent research suggests that type-2 diabetes adversely impacts…”
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The influence of an acute bout of moderate‐intensity cycling exercise on sensorimotor integration by Brown, Katlyn E., Neva, Jason L., Mang, Cameron S., Chau, Briana, Chiu, Larissa K., Francisco, Beatrice A., Staines, William R., Boyd, Lara A.

“…Acute cycling exercise can modulate motor cortical circuitry in the non‐exercised upper‐limb. Within the primary motor cortex, measures of intracortical…”
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Suppression of somatosensory stimuli during motor planning may explain levels of balance and mobility after stroke by Peters, Sue, Brown, Katlyn E., Garland, S. Jayne, Staines, W. Richard, Handy, Todd C., Boyd, Lara A.

“…The ability to actively suppress, or gate, irrelevant sensory information is required for safe and efficient walking in sensory‐rich environments. Both motor…”
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Motor Skill Learning Is Associated With Diffusion Characteristics of White Matter in Individuals With Chronic Stroke by Borich, Michael R, Brown, Katlyn E, Boyd, Lara A

“…BACKGROUND AND PURPOSE:Imaging advances allow investigation of white matter after stroke; a growing body of literature has shown links between diffusion-based…”
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Applications of Electroencephalography to Characterize Brain Activity: Perspectives in Stroke by Borich, Michael R, Brown, Katlyn E, Lakhani, Bimal, Boyd, Lara A

“…A wide array of neuroimaging technologies are now available that offer unprecedented opportunities to study the brain in health and disease. Each technology…”
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