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Background: Alzheimer's disease (AD) is a form of dementia that impairs memory, language, and daily functioning. With disease progression, AD patients reportedly experience disturbances in their awareness of self, others, and their environment. These disturbances are associated with unfavourable clinical outcomes, which prompts critical questions about how AD patients experience the world around them.
View Article and Find Full Text PDFFlood-driven survival and growth of dominant C grasses helps set their distributions along tallgrass prairie moisture gradients.
Am J Bot
January 2025
Department of Botany, University of Wisconsin-Madison, Madison, 53706, WI, USA.
Premise: Five C grasses (Bouteloua curtipendula, Schizachyrium scoparium, Andropogon gerardii, Sorghastrum nutans, Spartina pectinata) dominate different portions of a moisture gradient from dry to wet tallgrass prairies in the Upper Midwest of the United States. We hypothesized that their distributions may partly reflect differences in flooding tolerance and context-specific growth relative to each other.
Methods: We tested these ideas with greenhouse flooding and drought experiments, outdoor mesocosm experiments, and a natural experiment involving a month-long flood in two wet-mesic prairies.
Distinctive Delta and Theta Responses in Deductive and Probabilistic Reasoning.
Brain Behav
January 2025
Research Institute for Health Sciences and Technologies (SABITA), Neuroscience Research Center, Clinical Electrophysiology, Neuroimaging and Neuromodulation Lab, Istanbul Medipol University, Istanbul, Turkey.
Introduction: The neural substrates of reasoning, a cognitive ability we use constantly in daily life, are still unclear. Reasoning can be divided into two types according to how the inference process works and the certainty of the conclusions. In deductive reasoning, certain conclusions are drawn from premises by applying the rules of logic.
View Article and Find Full Text PDFAssessing the Feasibility of Drone-Mediated Vaccine Delivery: An Exploratory Study.
Health Sci Rep
January 2025
Division of Descriptive Research Indian Council of Medical Research-Headquarters New Delhi Delhi India.
Background And Aims: In the past decade, unmanned aerial systems (UASs), commonly known as drones, have found applications not only in military and agriculture but also in the transportation of medical supplies.
Purpose: The present study was conducted to assess the practicality of utilizing drones as a mode for the delivery of vaccines to combat the challenges.
Study Design: An exploratory study.
Interstep Variations of Stairways and Associations of High-Contrast Striping and Fall-Related Events: Observational Study.
Interact J Med Res
January 2025
Department of Kinesiology and Health Science, Sorenson Legacy Foundation Center for Clinical Excellence, Utah State University, Logan, UT, United States.
Background: Interstep variations in step riser height and tread depth within a stairway could negatively impact safe stair negotiation by decreasing step riser height predictability and, consequently, increasing stair users' fall risk. Unfortunately, interstep variations in riser height and depth are common, particularly in older stairways, but its impact may be lessened by highlighting steps' edges using a high-contrast stripe on the top front edge of each step.
Objective: This study aimed to determine (1) if fall-related events are associated with greater interstep riser height and depth variations and (2) if such fall-related events are reduced in the presence of contrast-enhanced step edges compared with a control stairway.
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