Results 121 to 130 of about 63,124 (318)

Self-reported concussion history is not related to cortical volume in college athletes.

open access: yesPLoS ONE
The long-term consequences of concussion are still being uncovered but have been linked to disruptions in cognition and psychological well-being. Previous studies focusing on the association between concussion history and structural changes in the brain ...
Douglas H Schultz   +7 more
doaj   +1 more source

Should my child play contact sports?

open access: yes
Headache: The Journal of Head and Face Pain, EarlyView.
Carlyn Patterson Gentile
wiley   +1 more source

Utility of local capillary supply indices: Insights from computational image‐based modelling

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Local capillary distribution and fibre geometry influence oxygen availability in skeletal muscle. Image‐based modelling of tissue PO2${{P}_{{{{\mathrm{O}}}_2}}}$ shows that area‐based measures of capillary supply – the local capillary density (LCDi) and local maximum diffusion distance (Dmax,i) – most accurately represent the ...
Abdullah A. Al‐Shammari   +6 more
wiley   +1 more source

Facts about concussion and brain injury [PDF]

open access: yes
A concussion is a type of traumatic brain injury (TBI) caused by a bump, blow, or jolt to the head. Concussions can also occur from a fall or a blow to the body that causes the head and brain to move quickly back and forth.

core  

Theta-Band Functional Connectivity and Single-Trial Cognitive Control in Sports-Related Concussion: Demonstration of Proof-of-Concept for a Potential Biomarker of Concussion

open access: yes, 2019
Objectives: This report examined theta-band neurodynamics for potential biomarkers of brain health in athletes with concussion. Methods: Participants included college-age contact/collision athletes with (N=24) and without a history of concussion (N=16 ...
Allen, John J B, Smith, Ezra E
core   +1 more source

Skeletal muscle adaptation to muscle activity and hypoxia: Differential structural and metabolic remodelling

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend There has been controversy about the structural (capillary) response of skeletal muscle to altered O2 status, involving decreased supply (hypoxia) or increased demand (activity). Here we demonstrate that seven days of activation of skeletal muscle by indirect electrical stimulation led to significant expansion of the capillary ...
David Hauton   +3 more
wiley   +1 more source

Emerging Issues in Concussion (.pdf)

open access: yes, 2016
Concussion is defined as a complex pathophysiological process affecting the brain from an impulsive force transmitted to the head or from a direct blow to the head, face, neck or elsewhere on the body that results in a new neurological sign or symptom ...
Steven L. Galetta, MD
core  

Multiscale mechanistic modelling of heterogeneity in cardiac sub‐cellular calcium handling accounting for variable t‐system density

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend Illustration of spatial calcium dynamics (left panels) and the state cycle approximation (middle panel) that enables reduced simulation of spatially dependent dynamics without explicit description of space (right panels). The selected example here illustrates a spontaneous calcium wave, showing temporal snapshots of local calcium
Michael A Colman   +2 more
wiley   +1 more source

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