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The brain selectively allocates energy to functional brain networks under cognitive control.
Sci Rep
December 2024
Centre of Precision Rehabilitation for Spinal Pain (CPR Spine), School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK.
Network energy has been conceptualized based on structural balance theory in the physics of complex networks. We utilized this framework to assess the energy of functional brain networks under cognitive control and to understand how energy is allocated across canonical functional networks during various cognitive control tasks. We extracted network energy from functional connectivity patterns of subjects who underwent fMRI scans during cognitive tasks involving working memory, inhibitory control, and cognitive flexibility, in addition to task-free scans.
View Article and Find Full Text PDFLow-Energy Trauma: Severe Liver Injury in an Elderly Patient from a Seated Fall.
Am J Case Rep
December 2024
Department of General Medicine, Saga University Hospital, Saga, Japan.
BACKGROUND Appropriate management of patients who have fallen is crucial for reducing damage and mortality. We report the case of a patient who fell from a seated position, which caused traumatic liver injury, with gastrointestinal symptoms as the primary patient concern. CASE REPORT A woman in her 80s who was living independently fell from a seated position during the daytime.
View Article and Find Full Text PDFAccuracy of the Apple Watch Series 9 for Measures of Energy Expenditure and Heart Rate at Rest and During Exercise: Impact of Skin Pigmentation.
J Funct Morphol Kinesiol
December 2024
Health & Human Physiological Sciences, Skidmore College, Saratoga Springs, NY 12866, USA.
Background: The Apple Watch provides promising health data that could aid in increasing exercise adherence; regular exercise can help individuals manage and prevent diseases such as obesity and cardiovascular disease. However, the impact of skin pigmentation on the accuracy of the Apple Watch Series 9 for measures of energy expenditure (EE) and heart rate (HR) is unknown.
Purpose: The purpose of this study was to determine the accuracy of the Apple Watch Series 9 on various skin pigmentations for measures of EE and HR.
Brain Functional Characteristics in Football Players During Motor-Cognitive Dual Task: Insights From fNIRS.
Scand J Med Sci Sports
January 2025
School of Physical Education, Shanghai University of Sport, Shanghai, China.
Long-term training enables professional athletes to develop concentrated and efficient neural network organizations for specific tasks. This study used functional near-infrared spectroscopy to investigate task performance, brain functional characteristics, and their relationships in footballers during sport-specific motor-cognitive processes. Twenty-four footballers (athlete group, with 18 remaining of good signal quality) and 20 non-footballers (control group, with 16 remaining) completed four tasks: a single task (trigger buttons corresponding to the appearance direction of teammates with kicking actions), an N-back direction task, a dual task, and an N-back digit task.
View Article and Find Full Text PDFIncreased copeptin may reflect vasopressin-related metabolic changes after bariatric surgery.
Obesity (Silver Spring)
December 2024
Neuroendocrine Unit, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA.
Objective: Mechanisms underlying metabolic improvement following metabolic and bariatric surgery (MBS) may provide insight into novel therapies. Vasopressin improves body composition and protects against hypoglycemia. Associations of copeptin, a stable cleavage product of vasopressin, with BMI and insulin resistance suggest an adaptive increase in vasopressin to counteract metabolic disruption.
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