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Articles 1 - 6 of 6
Full-Text Articles in Life Sciences
Effects Of Evolution On Laboratory Sublines Of Myxococcus Xanthus Dk1622, Mackenzie Ryan, Francesca Scribano, Kimberly Murphy
Effects Of Evolution On Laboratory Sublines Of Myxococcus Xanthus Dk1622, Mackenzie Ryan, Francesca Scribano, Kimberly Murphy
Celebration of Learning
Microbes have served as effective models for studying evolution because of their ability to be easily replicated, stored, and manipulated. Myxococcus xanthus is a soil bacterium that has served as a model organism in many laboratories. The unique social and motile behaviors exhibited by this bacterium make it ideal for phenotypic assays. A wild-type strain of M. xanthus, DK1622, has been distributed to laboratories across the United States and therefore we now have DK1622 sublines. The genomes of a number of these sublines have been sequenced and their social and motile phenotypes have been analyzed. When nine of these sublines …
How Auditory And Visual Working Memory Tasks Affect Misophonic Response Levels, Erin Ansusinha, Melette Devore, Dr. Daniel Corts
How Auditory And Visual Working Memory Tasks Affect Misophonic Response Levels, Erin Ansusinha, Melette Devore, Dr. Daniel Corts
Celebration of Learning
Misophonia is characterized by an extreme aversion towards auditory triggers, such as chewing, tapping, and other repetitive sounds, making ignoring or directing attention away from the sounds nearly impossible. It is not classified as a psychological disorder, but it is associated with significant, reflexive emotional disturbances. Studies have shown that the anterior insular cortex (AIC), an area involved in detecting irregularities or errors, functions differently in people with misophonia, which translates to difficulty in controlling emotional reactions. The present study examines how misophonic reactions might interact with cognition with particular attention to how cognitive demands may exacerbate the emotional response. …
The Four Minute Mile----And The Entire Sport World Is Changed, Paul Olsen
The Four Minute Mile----And The Entire Sport World Is Changed, Paul Olsen
Celebration of Learning
Roger Bannister died recently, and he should be remembered as the man who changed sport----as well as an understanding of human possibility---forever. In 1954 this medical student at Oxford University navigated a world full of both hope and fear, of perceived physical limitation, historical "proof," physical exhaustion, naysayers from all angles including the press, coaches, and fellow athletes. Throughout that journey, Bannister grasped at what he called "rhythms arising from nerve impulses and contracting muscles which interact . . . with a feeling of beauty . . . which might otherwise remain locked away inside ourselves."
Functions Of Ecosystems: Stream Metabolism As An Efficient And Effective Means To Gage The Health And Understand The Interworking Of Urban Streams In A Watershed Of Rock Island, Il, Ryan Johnson, Dr. Kevin Geedey
Functions Of Ecosystems: Stream Metabolism As An Efficient And Effective Means To Gage The Health And Understand The Interworking Of Urban Streams In A Watershed Of Rock Island, Il, Ryan Johnson, Dr. Kevin Geedey
Celebration of Learning
Stream metabolism is a critical functional measure of stream health that integrates physical parameters like slope and discharge, with ecosystem functions like photosynthesis and respiration. Stream metabolism is widely studied; however, urban stream metabolism remains poorly understood. Stream metabolism was measured for five streams ranging from 1st to 5th orders from October 11th to October 18th 2017 and four streams ranging from 1st to 4th order from October 22nd to 25th 2017 located within an approximately 9.3 square kilometer watershed of Rock Island, IL that has an urban to suburban type of …
Effect Sizes In Task-Based Functional Magnetic Resonance Imaging, Tyler Kellett
Effect Sizes In Task-Based Functional Magnetic Resonance Imaging, Tyler Kellett
Celebration of Learning
Task-based functional magnetic resonance imaging (t-fMRI) techniques have changed the way scientists probe the neurological mechanisms underlying behavior. However, there are many problems surrounding t-fMRI especially underpowered studies leading to misleading effect sizes. This study is using a recent large data collection study, the Human Connectome Project, to investigate effect sizes in specific regions of the brain involving working memory. Previous studies have come up with relatively small effect sizes due to small sample sizes and large regions of interest (ROI). This study is concentrated on using more precise ROI called parcels to find larger effect sizes.
A Quantitative Analysis Of The Effects Of Urbanization, Mesophication And Prescribed Burns On Oak Woodlands In The Chicago Metropolitan Area, Chad Populorum
A Quantitative Analysis Of The Effects Of Urbanization, Mesophication And Prescribed Burns On Oak Woodlands In The Chicago Metropolitan Area, Chad Populorum
Celebration of Learning
Urban expansion has had devastating impacts on forest ecosystems, especially within the past century. Human attempts to dominate nature have diminished natural disturbance regimes, which have maintained the biodiversity and historic composition of these ecosystems. Fires have been a prominent force in maintaining the structure of oak, hickory and other heliophytic (sun loving and fire-adapted) forest systems. Human induced fire suppression has led to mesophication across North America. Mesophication is the transition from drier conditions with open canopies to wetter conditions with closed canopies. These new conditions decrease the survival rates of these important species and begin to favor mesophytic …