scholarly journals Association of Beef And Beef-Related Nutrients to Visual Cognitive Performance Training In Young Adult Females

2020 ◽  
Vol 4 (Supplement_2) ◽  
pp. 1233-1233
Author(s):  
Steve Riechman ◽  
Nicos Georghiades ◽  
Caroline Sullivan ◽  
Susanne Talcott ◽  
Stephen Smith ◽  
...  
Keyword(s):  
Cognitive Performance ◽  
High Speed ◽  
Nutritional Factors ◽  
Performance Training ◽  
College Age ◽  
Funding Sources ◽  
Preliminary Study ◽  
Daily Intakes ◽  
Visual Cognitive

Abstract Objectives Visual cognitive performance (VCP) is an important factor in high-speed interactions with the environment such as sports or driving, however, the testing, training and determination of factors that influence this ability has been elusive. The overall purpose of the Nutrition, Vision and Cognition in Sport Studies (IONSport) is to determine the nutritional factors that explain large variance in VCP and training responses. The objective of these studies is to determine if beef associated nutrients affect VCP. Methods In the preliminary study, 52 college age women performed 15 visual cognitive training sessions (Neurotracker) in 10 visits to the laboratory (all 10 visits within 15 days). On the days of training, all food intake was documented (no intervention, no change in diet). Mean nutritional intakes were calculated for the 10 days of food records. For the RCT intervention, 80 women were randomized to either a daily beef or veggie patty and consumed 1 patty/day for 30 days. Results In the preliminary study, iron intake was significantly associated to VCP (P < 0.001) where groups of low (<10 mg/day), medium (10–20 mg/day) and high (>20 mg/day) were all significantly different from each other (P < 0.05). Cholesterol, choline, arginine and B vitamins intake were also significantly associated to VCP (P < 0.05). Preliminary analyses of the RCT to enrich these nutrients with beef indicate higher mean VCP for the beef group with significant differences in mean daily intakes of beef associated nutrients. Conclusions These results suggest that high intake of beef associated nutrients may improve VCP. Funding Sources RCT funded by National Cattleman's Beef Association.

scholarly journals Randomized Trial of the Effect of Daily Beef or Vegetable Protein on Visual Cognitive Performance Training in Young Adult Females

2021 ◽  
Vol 5 (Supplement_2) ◽  
pp. 919-919
Author(s):  
Steven Riechman ◽  
Nicos Georghiades ◽  
Aaron Riviere ◽  
Gabriel Reichert Blume ◽  
Susanne Talcott ◽  
...  
Keyword(s):  
Cognitive Performance ◽  
High Speed ◽  
Vegetable Protein ◽  
Dietary Intervention ◽  
Nutritional Factors ◽  
Performance Training ◽  
Food Records ◽  
Funding Sources ◽  
Visual Cognitive

Abstract Objectives Visual cognitive performance (VCP) is an important factor in high-speed interactions with the environment such as sports or driving, however, the testing, training and determination of factors that influence this ability are scarce. The purpose of the Nutrition, Vision and Cognition in Sport Studies (IONSport) is to determine the nutritional factors that explain large variance in VCP and training responses. The objective of this study is to determine if daily beef or vegetable protein consumption affect VCP training responses. Methods Thirty-seven women (age 18–35 years) were randomized to either one serving of beef (90% lean ground sirloin, 3 oz) or one serving of vegetable protein (Morningstar prime veggie burgers, 3 oz) per day for 30 days. These foods were equivalent in serving size, calories, protein and fat but distinct in micronutrients. At the end of the dietary intervention, they performed 15 visual cognitive training sessions (Neurotracker) in 10 visits to the laboratory. On the days of training, all food intake was documented for 18 days (Three prior to starting, five from day zero to 15 and 10 from day 15–30). Mean nutritional intakes were calculated for the 15 days of food records during the intervention. Results Both groups significantly (P < 0.001) improved VCP from baseline (1.33 ± 0.33) to the end of training (1.62 ± 0.32), however, the improvement in the beef group was significantly higher (beef Δ = 0.36, veggie Δ = 0.19). Conclusions These results suggest that 30 days of daily beef intake is associated with better improvements in VCP as compared to a vegetable protein source. Funding Sources National Cattleman's Beef Association.

scholarly journals The Association of Dietary Iron on Visual Cognitive Performance and Training in the IONSport Study

2021 ◽  
Vol 5 (Supplement_2) ◽  
pp. 906-906
Author(s):  
Nicos Georghiades ◽  
Karen Beathard ◽  
Steven Riechman ◽  
Caroline Sullivan
Keyword(s):  
Cognitive Performance ◽  
Cognitive Abilities ◽  
High Speed ◽  
Hydration Status ◽  
Dietary Iron ◽  
Iron Intake ◽  
Food Records ◽  
Daily Intakes ◽  
And Training ◽  
Visual Cognitive

Abstract Objectives Visual cognitive performance (VCP) is an important factor in high-speed interactions with the environment such as sports or driving, however, the testing, training and determination of factors that influence this ability has been elusive. Iron intake from heme sources has been shown to prevent altered metabolic processes, reductions in protein and neurotransmitter synthesis, and cognitive abilities and neural functions. The purpose of this study is to determine whether chronic dietary iron intake explain the large difference in VCP and training responses between healthy individuals. Methods Men and women age 18–35 completed 15 visual cognitive training sessions (Neurotracker) in 10 visits to the laboratory. On the days of training, all food intake was documented (Nutribase) along with measures of body composition, blood pressure, hydration status, sleep patterns, and recent exercise. Mean nutritional intakes were calculated for the 10 days of food records. Total daily intakes of iron were also calculated for each of the 10 days of food records. Results Iron intake was significantly associated to VCP (P < 0.001) in women (N = 52) but not men (N = 36). VCP improved progressively with dietary iron intake in women from low (iron: 8.2 ± 1.2 mg/day, VCP: 1.38 ± 0.22, N = 24), medium (iron: 13.4 ± 1.3 mg/day, VCP = 1.59 ± 0.38, N = 21) to high (20.9 ± 3.8 mg/day, VCP = 1.86 ± 0.33, N = 7) in which all groups were all significantly different from each other (P < 0.05). Conclusions These results suggest that intakes of iron at or above the RDA may be essential to optimize VCP. Funding Sources National Cattlemen's Beef Association.

Factors Influencing Visual Cognitive Performance Training

2017 ◽  
Vol 49 (5S) ◽  
pp. 217
Author(s):  
Steven Riechman ◽  
Caroline L. Sullivan ◽  
Kaeleigh N. Elmendorf ◽  
Curtis J. Zachry ◽  
Zain S. Jessa ◽  
...  
Keyword(s):  
Cognitive Performance ◽  
Performance Training ◽  
Factors Influencing ◽  
Visual Cognitive

Sampling, Preservation and Counting of Samples II: Zooplankton

2017 ◽  
Author(s):  
Peter H. Wiebe ◽  
Ann Bucklin ◽  
Mark Benfield
Keyword(s):  
Genetic Analysis ◽  
High Speed ◽  
Morphological Analysis ◽  
Taxonomic Composition ◽  
Sampling Techniques ◽  
Sample Analysis ◽  
Sample Preservation ◽  
The Past ◽  
Plankton Collection

This chapter reviews traditional and new zooplankton sampling techniques, sample preservation, and sample analysis, and provides the sources where in-depth discussion of these topics is addressed. The net systems that have been developed over the past 100+ years, many of which are still in use today, can be categorized into eight groups: non-opening/closing nets, simple opening/closing nets, high-speed samplers, neuston samplers, planktobenthos plankton nets, closing cod-end samplers, multiple net systems, and moored plankton collection systems. Methods of sample preservation include preservation for sample enumeration and taxonomic morphological analysis, and preservation of samples for genetic analysis. Methods of analysis of zooplankton samples include determination of biomass, taxonomic composition, and size by traditional methods; and genetic analysis of zooplankton samples.

Reynolds-averaged Navier–Stokes simulation of hydrofoil effects on hydrodynamic coefficients of a catamaran in forced oscillation

2016 ◽  
Vol 231 (2) ◽  
pp. 364-383
Author(s):  
Amin Najafi ◽  
Mohammad Saeed Seif
Keyword(s):  
High Speed ◽  
Experimental Approach ◽  
Navier Stokes ◽  
Hydrodynamic Coefficients ◽  
Laboratory Equipment ◽  
Factors Affecting ◽  
High Frequencies ◽  
Frequency Independent ◽  
Reynolds Averaged Navier Stokes

Determination of high-speed crafts’ hydrodynamic coefficients will help to analyze the dynamics of these kinds of vessels and the factors affecting their dynamic stabilities. Also, it can be useful and effective in controlling the vessel instabilities. The main purpose of this study is to determine the coefficients of longitudinal motions of a planing catamaran with and without a hydrofoil using Reynolds-averaged Navier–Stokes method to evaluate the foil effects on them. Determination of hydrodynamic coefficients by experimental approach is costly and requires meticulous laboratory equipment; therefore, utilizing the numerical methods and developing a virtual laboratory seem highly efficient. In this study, the numerical results for hydrodynamic coefficients of a high-speed craft are verified against Troesch’s experimental results. In the following, after determination of hydrodynamic coefficients of a planing catamaran with and without foil, the foil effects on its hydrodynamic coefficients are evaluated. The results indicate that most of the coefficients are frequency-independent especially at high frequencies.

THE DETERMINATION OF DIGITAL WIENER FILTERS BY MEANS OF GRADIENT METHODS

Geophysics ◽  
1973 ◽  
Vol 38 (2) ◽  
pp. 310-326 ◽  
Author(s):  
R. J. Wang ◽  
S. Treitel
Keyword(s):  
Seismic Data ◽  
High Speed ◽  
Gradient Methods ◽  
Wiener Filter ◽  
Gradient Algorithm ◽  
Rapid Convergence ◽  
True Solution ◽  
Peripheral Device ◽  
Wiener Filters

The normal equations for the discrete Wiener filter are conventionally solved with Levinson’s algorithm. The resultant solutions are exact except for numerical roundoff. In many instances, approximate rather than exact solutions satisfy seismologists’ requirements. The so‐called “gradient” or “steepest descent” iteration techniques can be used to produce approximate filters at computing speeds significantly higher than those achievable with Levinson’s method. Moreover, gradient schemes are well suited for implementation on a digital computer provided with a floating‐point array processor (i.e., a high‐speed peripheral device designed to carry out a specific set of multiply‐and‐add operations). Levinson’s method (1947) cannot be programmed efficiently for such special‐purpose hardware, and this consideration renders the use of gradient schemes even more attractive. It is, of course, advisable to utilize a gradient algorithm which generally provides rapid convergence to the true solution. The “conjugate‐gradient” method of Hestenes (1956) is one of a family of algorithms having this property. Experimental calculations performed with real seismic data indicate that adequate filter approximations are obtainable at a fraction of the computer cost required for use of Levinson’s algorithm.

High-speed determination of the degree of cellulose xanthate esterification

1973 ◽  
Vol 5 (3) ◽  
pp. 277-279 ◽  
Author(s):  
Yu. I. Kholkin ◽  
M. I. Shcherbatsevich
Keyword(s):  
High Speed ◽  
Cellulose Xanthate

Adequate Strength for Small High-Speed Vessels

1968 ◽  
Vol 5 (01) ◽  
pp. 63-71
Author(s):  
Philip J. Danahy
Keyword(s):  
Stress Analysis ◽  
High Speed ◽  
Structural Strength ◽  
Integrated Approach ◽  
Suggested Method ◽  
Impact Loads ◽  
Analysis Method ◽  
Safety Factors ◽  
Recreational Vessels

The paper presents a method for the determination of the critical minimum scantlings for small high-speed vessels. Particular attention is given to the shell plating strength for hydrodynamic impact loads. The suggested method uses an integrated approach involving assumed loads, suggested safety factors, and preferred stress-analysis method. The stress analysis uses plastic theory based partly on the works of J. Clarkson and Thein Wah. Included in the paper is a comparison of the relative structural strength of several commercial, military, and experimental hydrofoil vessels along with a few planing boats and a seaplane hull. This shows the variation of existing vessel structures and compares them to the results obtained by the suggested method. Most commercial, military, and recreational vessels exceed the minimum scantlings of the suggested method. The most significant deviation is the hull of the seaplane:

Sign in / Sign up

Export Citation Format

Share Document