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Related Concept Videos

Concentration Cells01:29

Concentration Cells

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A concentration cell is an electrochemical cell in which the emf arises from a difference in concentration of a species between two half-cells. Unlike galvanic cells, where electrical energy comes from a chemical reaction, the driving force here is the transfer of matter from a region of higher concentration to lower concentration. The overall process is therefore physical in nature. A classic illustration is a cell made of two chlorine electrodes operating at different chlorine gas...
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Concentration Cells02:41

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A concentration cell is a type of a  voltaic cell constructed by connecting two almost identical half-cells, both based on the same half-reaction and using the same electrode, differing only in the concentration of one redox species. A concentration cell's potential, therefore, is determined only by the concentration difference of the particular redox species.
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Diamagnetic Shielding of Nuclei: Local Diamagnetic Current01:14

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An applied magnetic field causes the electrons present in the molecule to circulate, setting up a local diamagnetic current within the molecule. The local diamagnetic current arising from circulating sigma-bonding electrons induces a magnetic field, Blocal that opposes the applied magnetic field, B0. The effective magnetic field experienced by these nuclei is given by the difference between the applied and local magnetic fields in a phenomenon called local diamagnetic shielding. Essentially,...
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Masking and Demasking Agents01:19

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EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
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Stress Concentrations01:24

Stress Concentrations

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Stress concentration is when stress intensifies near discontinuities such as holes or abrupt cross-sectional changes in a structural member. This localized stress can often surpass the average stress within the member. The stress distribution in flat bars, either with a circular hole or varying widths connected by fillets, can be determined experimentally using a photoelastic method. The results are based on ratios of geometric parameters like the ratio of the hole's radius to the smaller...
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Solution Concentration and Dilution02:59

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The relative amount of a given solution component is known as its concentration. Often, though not always, a solution contains one component with a concentration that is significantly greater than that of all other components. This component is called the solvent and may be viewed as the medium in which the other components are dispersed or dissolved. Solutions in which water is the solvent are, of course, very common on our planet. A solution in which water is the solvent is called an aqueous...
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Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
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Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

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How Concentration Shields Against Distraction.

Patrik Sörqvist1, John E Marsh2

  • 1Department of Building, Energy and Environmental Engineering, University of Gävle.

Current Directions in Psychological Science
|August 25, 2015
PubMed
Summary
This summary is machine-generated.

Higher concentration reduces susceptibility to distraction by minimizing background processing and stabilizing attention. This enhanced focus improves performance in demanding tasks and engaging activities.

Keywords:
attentionconcentrationdistractiontask difficultyworking memory capacity

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Area of Science:

  • Cognitive Psychology
  • Attention Studies

Background:

  • Distraction poses a significant challenge to cognitive performance.
  • Understanding the mechanisms of attentional control is crucial for various applications.

Purpose of the Study:

  • To elucidate the protective role of concentration against attentional distraction.
  • To present a theoretical framework explaining how heightened concentration mitigates distraction.

Main Methods:

  • Theoretical analysis of attentional control mechanisms.
  • Examples from cognitive tasks (video games) and everyday scenarios (television viewing) to illustrate the concepts.

Main Results:

  • Increased concentration reduces the processing of irrelevant environmental stimuli.
  • Concentration strengthens the stability of attentional focus, making it less susceptible to external disruptions.

Conclusions:

  • Concentration acts as a shield against distraction through two primary mechanisms.
  • The findings have implications for optimizing performance in applied settings requiring sustained attention.